diff --git a/BUILD b/BUILD
index 8c17065..33323be 100644
--- a/BUILD
+++ b/BUILD
@@ -1235,109 +1235,6 @@
     "src/cpp/client/create_channel_internal.h",
     "src/cpp/server/dynamic_thread_pool.h",
     "src/cpp/server/thread_pool_interface.h",
-    "src/core/lib/channel/channel_args.h",
-    "src/core/lib/channel/channel_stack.h",
-    "src/core/lib/channel/channel_stack_builder.h",
-    "src/core/lib/channel/compress_filter.h",
-    "src/core/lib/channel/connected_channel.h",
-    "src/core/lib/channel/context.h",
-    "src/core/lib/channel/http_client_filter.h",
-    "src/core/lib/channel/http_server_filter.h",
-    "src/core/lib/compression/algorithm_metadata.h",
-    "src/core/lib/compression/message_compress.h",
-    "src/core/lib/debug/trace.h",
-    "src/core/lib/http/format_request.h",
-    "src/core/lib/http/httpcli.h",
-    "src/core/lib/http/parser.h",
-    "src/core/lib/iomgr/closure.h",
-    "src/core/lib/iomgr/endpoint.h",
-    "src/core/lib/iomgr/endpoint_pair.h",
-    "src/core/lib/iomgr/error.h",
-    "src/core/lib/iomgr/ev_epoll_linux.h",
-    "src/core/lib/iomgr/ev_poll_and_epoll_posix.h",
-    "src/core/lib/iomgr/ev_poll_posix.h",
-    "src/core/lib/iomgr/ev_posix.h",
-    "src/core/lib/iomgr/exec_ctx.h",
-    "src/core/lib/iomgr/executor.h",
-    "src/core/lib/iomgr/iocp_windows.h",
-    "src/core/lib/iomgr/iomgr.h",
-    "src/core/lib/iomgr/iomgr_internal.h",
-    "src/core/lib/iomgr/iomgr_posix.h",
-    "src/core/lib/iomgr/load_file.h",
-    "src/core/lib/iomgr/network_status_tracker.h",
-    "src/core/lib/iomgr/polling_entity.h",
-    "src/core/lib/iomgr/pollset.h",
-    "src/core/lib/iomgr/pollset_set.h",
-    "src/core/lib/iomgr/pollset_set_windows.h",
-    "src/core/lib/iomgr/pollset_windows.h",
-    "src/core/lib/iomgr/resolve_address.h",
-    "src/core/lib/iomgr/sockaddr.h",
-    "src/core/lib/iomgr/sockaddr_posix.h",
-    "src/core/lib/iomgr/sockaddr_utils.h",
-    "src/core/lib/iomgr/sockaddr_windows.h",
-    "src/core/lib/iomgr/socket_utils_posix.h",
-    "src/core/lib/iomgr/socket_windows.h",
-    "src/core/lib/iomgr/tcp_client.h",
-    "src/core/lib/iomgr/tcp_posix.h",
-    "src/core/lib/iomgr/tcp_server.h",
-    "src/core/lib/iomgr/tcp_windows.h",
-    "src/core/lib/iomgr/time_averaged_stats.h",
-    "src/core/lib/iomgr/timer.h",
-    "src/core/lib/iomgr/timer_heap.h",
-    "src/core/lib/iomgr/udp_server.h",
-    "src/core/lib/iomgr/unix_sockets_posix.h",
-    "src/core/lib/iomgr/wakeup_fd_pipe.h",
-    "src/core/lib/iomgr/wakeup_fd_posix.h",
-    "src/core/lib/iomgr/workqueue.h",
-    "src/core/lib/iomgr/workqueue_posix.h",
-    "src/core/lib/iomgr/workqueue_windows.h",
-    "src/core/lib/json/json.h",
-    "src/core/lib/json/json_common.h",
-    "src/core/lib/json/json_reader.h",
-    "src/core/lib/json/json_writer.h",
-    "src/core/lib/surface/api_trace.h",
-    "src/core/lib/surface/call.h",
-    "src/core/lib/surface/call_test_only.h",
-    "src/core/lib/surface/channel.h",
-    "src/core/lib/surface/channel_init.h",
-    "src/core/lib/surface/channel_stack_type.h",
-    "src/core/lib/surface/completion_queue.h",
-    "src/core/lib/surface/event_string.h",
-    "src/core/lib/surface/init.h",
-    "src/core/lib/surface/lame_client.h",
-    "src/core/lib/surface/server.h",
-    "src/core/lib/transport/byte_stream.h",
-    "src/core/lib/transport/connectivity_state.h",
-    "src/core/lib/transport/metadata.h",
-    "src/core/lib/transport/metadata_batch.h",
-    "src/core/lib/transport/static_metadata.h",
-    "src/core/lib/transport/transport.h",
-    "src/core/lib/transport/transport_impl.h",
-    "src/core/lib/security/context/security_context.h",
-    "src/core/lib/security/credentials/composite/composite_credentials.h",
-    "src/core/lib/security/credentials/credentials.h",
-    "src/core/lib/security/credentials/fake/fake_credentials.h",
-    "src/core/lib/security/credentials/google_default/google_default_credentials.h",
-    "src/core/lib/security/credentials/iam/iam_credentials.h",
-    "src/core/lib/security/credentials/jwt/json_token.h",
-    "src/core/lib/security/credentials/jwt/jwt_credentials.h",
-    "src/core/lib/security/credentials/jwt/jwt_verifier.h",
-    "src/core/lib/security/credentials/oauth2/oauth2_credentials.h",
-    "src/core/lib/security/credentials/plugin/plugin_credentials.h",
-    "src/core/lib/security/credentials/ssl/ssl_credentials.h",
-    "src/core/lib/security/transport/auth_filters.h",
-    "src/core/lib/security/transport/handshake.h",
-    "src/core/lib/security/transport/secure_endpoint.h",
-    "src/core/lib/security/transport/security_connector.h",
-    "src/core/lib/security/transport/tsi_error.h",
-    "src/core/lib/security/util/b64.h",
-    "src/core/lib/security/util/json_util.h",
-    "src/core/ext/transport/chttp2/alpn/alpn.h",
-    "src/core/lib/tsi/fake_transport_security.h",
-    "src/core/lib/tsi/ssl_transport_security.h",
-    "src/core/lib/tsi/ssl_types.h",
-    "src/core/lib/tsi/transport_security.h",
-    "src/core/lib/tsi/transport_security_interface.h",
     "src/cpp/client/secure_credentials.cc",
     "src/cpp/common/auth_property_iterator.cc",
     "src/cpp/common/secure_auth_context.cc",
@@ -1370,122 +1267,6 @@
     "src/cpp/util/status.cc",
     "src/cpp/util/string_ref.cc",
     "src/cpp/util/time.cc",
-    "src/core/lib/channel/channel_args.c",
-    "src/core/lib/channel/channel_stack.c",
-    "src/core/lib/channel/channel_stack_builder.c",
-    "src/core/lib/channel/compress_filter.c",
-    "src/core/lib/channel/connected_channel.c",
-    "src/core/lib/channel/http_client_filter.c",
-    "src/core/lib/channel/http_server_filter.c",
-    "src/core/lib/compression/compression.c",
-    "src/core/lib/compression/message_compress.c",
-    "src/core/lib/debug/trace.c",
-    "src/core/lib/http/format_request.c",
-    "src/core/lib/http/httpcli.c",
-    "src/core/lib/http/parser.c",
-    "src/core/lib/iomgr/closure.c",
-    "src/core/lib/iomgr/endpoint.c",
-    "src/core/lib/iomgr/endpoint_pair_posix.c",
-    "src/core/lib/iomgr/endpoint_pair_windows.c",
-    "src/core/lib/iomgr/error.c",
-    "src/core/lib/iomgr/ev_epoll_linux.c",
-    "src/core/lib/iomgr/ev_poll_and_epoll_posix.c",
-    "src/core/lib/iomgr/ev_poll_posix.c",
-    "src/core/lib/iomgr/ev_posix.c",
-    "src/core/lib/iomgr/exec_ctx.c",
-    "src/core/lib/iomgr/executor.c",
-    "src/core/lib/iomgr/iocp_windows.c",
-    "src/core/lib/iomgr/iomgr.c",
-    "src/core/lib/iomgr/iomgr_posix.c",
-    "src/core/lib/iomgr/iomgr_windows.c",
-    "src/core/lib/iomgr/load_file.c",
-    "src/core/lib/iomgr/network_status_tracker.c",
-    "src/core/lib/iomgr/polling_entity.c",
-    "src/core/lib/iomgr/pollset_set_windows.c",
-    "src/core/lib/iomgr/pollset_windows.c",
-    "src/core/lib/iomgr/resolve_address_posix.c",
-    "src/core/lib/iomgr/resolve_address_windows.c",
-    "src/core/lib/iomgr/sockaddr_utils.c",
-    "src/core/lib/iomgr/socket_utils_common_posix.c",
-    "src/core/lib/iomgr/socket_utils_linux.c",
-    "src/core/lib/iomgr/socket_utils_posix.c",
-    "src/core/lib/iomgr/socket_windows.c",
-    "src/core/lib/iomgr/tcp_client_posix.c",
-    "src/core/lib/iomgr/tcp_client_windows.c",
-    "src/core/lib/iomgr/tcp_posix.c",
-    "src/core/lib/iomgr/tcp_server_posix.c",
-    "src/core/lib/iomgr/tcp_server_windows.c",
-    "src/core/lib/iomgr/tcp_windows.c",
-    "src/core/lib/iomgr/time_averaged_stats.c",
-    "src/core/lib/iomgr/timer.c",
-    "src/core/lib/iomgr/timer_heap.c",
-    "src/core/lib/iomgr/udp_server.c",
-    "src/core/lib/iomgr/unix_sockets_posix.c",
-    "src/core/lib/iomgr/unix_sockets_posix_noop.c",
-    "src/core/lib/iomgr/wakeup_fd_eventfd.c",
-    "src/core/lib/iomgr/wakeup_fd_nospecial.c",
-    "src/core/lib/iomgr/wakeup_fd_pipe.c",
-    "src/core/lib/iomgr/wakeup_fd_posix.c",
-    "src/core/lib/iomgr/workqueue_posix.c",
-    "src/core/lib/iomgr/workqueue_windows.c",
-    "src/core/lib/json/json.c",
-    "src/core/lib/json/json_reader.c",
-    "src/core/lib/json/json_string.c",
-    "src/core/lib/json/json_writer.c",
-    "src/core/lib/surface/alarm.c",
-    "src/core/lib/surface/api_trace.c",
-    "src/core/lib/surface/byte_buffer.c",
-    "src/core/lib/surface/byte_buffer_reader.c",
-    "src/core/lib/surface/call.c",
-    "src/core/lib/surface/call_details.c",
-    "src/core/lib/surface/call_log_batch.c",
-    "src/core/lib/surface/channel.c",
-    "src/core/lib/surface/channel_init.c",
-    "src/core/lib/surface/channel_ping.c",
-    "src/core/lib/surface/channel_stack_type.c",
-    "src/core/lib/surface/completion_queue.c",
-    "src/core/lib/surface/event_string.c",
-    "src/core/lib/surface/lame_client.c",
-    "src/core/lib/surface/metadata_array.c",
-    "src/core/lib/surface/server.c",
-    "src/core/lib/surface/validate_metadata.c",
-    "src/core/lib/surface/version.c",
-    "src/core/lib/transport/byte_stream.c",
-    "src/core/lib/transport/connectivity_state.c",
-    "src/core/lib/transport/metadata.c",
-    "src/core/lib/transport/metadata_batch.c",
-    "src/core/lib/transport/static_metadata.c",
-    "src/core/lib/transport/transport.c",
-    "src/core/lib/transport/transport_op_string.c",
-    "src/core/lib/http/httpcli_security_connector.c",
-    "src/core/lib/security/context/security_context.c",
-    "src/core/lib/security/credentials/composite/composite_credentials.c",
-    "src/core/lib/security/credentials/credentials.c",
-    "src/core/lib/security/credentials/credentials_metadata.c",
-    "src/core/lib/security/credentials/fake/fake_credentials.c",
-    "src/core/lib/security/credentials/google_default/credentials_posix.c",
-    "src/core/lib/security/credentials/google_default/credentials_windows.c",
-    "src/core/lib/security/credentials/google_default/google_default_credentials.c",
-    "src/core/lib/security/credentials/iam/iam_credentials.c",
-    "src/core/lib/security/credentials/jwt/json_token.c",
-    "src/core/lib/security/credentials/jwt/jwt_credentials.c",
-    "src/core/lib/security/credentials/jwt/jwt_verifier.c",
-    "src/core/lib/security/credentials/oauth2/oauth2_credentials.c",
-    "src/core/lib/security/credentials/plugin/plugin_credentials.c",
-    "src/core/lib/security/credentials/ssl/ssl_credentials.c",
-    "src/core/lib/security/transport/client_auth_filter.c",
-    "src/core/lib/security/transport/handshake.c",
-    "src/core/lib/security/transport/secure_endpoint.c",
-    "src/core/lib/security/transport/security_connector.c",
-    "src/core/lib/security/transport/server_auth_filter.c",
-    "src/core/lib/security/transport/tsi_error.c",
-    "src/core/lib/security/util/b64.c",
-    "src/core/lib/security/util/json_util.c",
-    "src/core/lib/surface/init_secure.c",
-    "src/core/ext/transport/chttp2/alpn/alpn.c",
-    "src/core/lib/tsi/fake_transport_security.c",
-    "src/core/lib/tsi/ssl_transport_security.c",
-    "src/core/lib/tsi/transport_security.c",
     "src/cpp/codegen/codegen_init.cc",
   ],
   hdrs = [
@@ -1587,14 +1368,6 @@
     "include/grpc/impl/codegen/sync_posix.h",
     "include/grpc/impl/codegen/sync_windows.h",
     "include/grpc/impl/codegen/time.h",
-    "include/grpc/byte_buffer.h",
-    "include/grpc/byte_buffer_reader.h",
-    "include/grpc/compression.h",
-    "include/grpc/grpc.h",
-    "include/grpc/grpc_posix.h",
-    "include/grpc/status.h",
-    "include/grpc/grpc_security.h",
-    "include/grpc/grpc_security_constants.h",
   ],
   includes = [
     "include",
@@ -1604,7 +1377,6 @@
     "//external:libssl",
     "//external:protobuf_clib",
     ":grpc",
-    ":gpr",
   ],
 )
 
@@ -1694,109 +1466,6 @@
     "src/cpp/client/create_channel_internal.h",
     "src/cpp/server/dynamic_thread_pool.h",
     "src/cpp/server/thread_pool_interface.h",
-    "src/core/lib/channel/channel_args.h",
-    "src/core/lib/channel/channel_stack.h",
-    "src/core/lib/channel/channel_stack_builder.h",
-    "src/core/lib/channel/compress_filter.h",
-    "src/core/lib/channel/connected_channel.h",
-    "src/core/lib/channel/context.h",
-    "src/core/lib/channel/http_client_filter.h",
-    "src/core/lib/channel/http_server_filter.h",
-    "src/core/lib/compression/algorithm_metadata.h",
-    "src/core/lib/compression/message_compress.h",
-    "src/core/lib/debug/trace.h",
-    "src/core/lib/http/format_request.h",
-    "src/core/lib/http/httpcli.h",
-    "src/core/lib/http/parser.h",
-    "src/core/lib/iomgr/closure.h",
-    "src/core/lib/iomgr/endpoint.h",
-    "src/core/lib/iomgr/endpoint_pair.h",
-    "src/core/lib/iomgr/error.h",
-    "src/core/lib/iomgr/ev_epoll_linux.h",
-    "src/core/lib/iomgr/ev_poll_and_epoll_posix.h",
-    "src/core/lib/iomgr/ev_poll_posix.h",
-    "src/core/lib/iomgr/ev_posix.h",
-    "src/core/lib/iomgr/exec_ctx.h",
-    "src/core/lib/iomgr/executor.h",
-    "src/core/lib/iomgr/iocp_windows.h",
-    "src/core/lib/iomgr/iomgr.h",
-    "src/core/lib/iomgr/iomgr_internal.h",
-    "src/core/lib/iomgr/iomgr_posix.h",
-    "src/core/lib/iomgr/load_file.h",
-    "src/core/lib/iomgr/network_status_tracker.h",
-    "src/core/lib/iomgr/polling_entity.h",
-    "src/core/lib/iomgr/pollset.h",
-    "src/core/lib/iomgr/pollset_set.h",
-    "src/core/lib/iomgr/pollset_set_windows.h",
-    "src/core/lib/iomgr/pollset_windows.h",
-    "src/core/lib/iomgr/resolve_address.h",
-    "src/core/lib/iomgr/sockaddr.h",
-    "src/core/lib/iomgr/sockaddr_posix.h",
-    "src/core/lib/iomgr/sockaddr_utils.h",
-    "src/core/lib/iomgr/sockaddr_windows.h",
-    "src/core/lib/iomgr/socket_utils_posix.h",
-    "src/core/lib/iomgr/socket_windows.h",
-    "src/core/lib/iomgr/tcp_client.h",
-    "src/core/lib/iomgr/tcp_posix.h",
-    "src/core/lib/iomgr/tcp_server.h",
-    "src/core/lib/iomgr/tcp_windows.h",
-    "src/core/lib/iomgr/time_averaged_stats.h",
-    "src/core/lib/iomgr/timer.h",
-    "src/core/lib/iomgr/timer_heap.h",
-    "src/core/lib/iomgr/udp_server.h",
-    "src/core/lib/iomgr/unix_sockets_posix.h",
-    "src/core/lib/iomgr/wakeup_fd_pipe.h",
-    "src/core/lib/iomgr/wakeup_fd_posix.h",
-    "src/core/lib/iomgr/workqueue.h",
-    "src/core/lib/iomgr/workqueue_posix.h",
-    "src/core/lib/iomgr/workqueue_windows.h",
-    "src/core/lib/json/json.h",
-    "src/core/lib/json/json_common.h",
-    "src/core/lib/json/json_reader.h",
-    "src/core/lib/json/json_writer.h",
-    "src/core/lib/surface/api_trace.h",
-    "src/core/lib/surface/call.h",
-    "src/core/lib/surface/call_test_only.h",
-    "src/core/lib/surface/channel.h",
-    "src/core/lib/surface/channel_init.h",
-    "src/core/lib/surface/channel_stack_type.h",
-    "src/core/lib/surface/completion_queue.h",
-    "src/core/lib/surface/event_string.h",
-    "src/core/lib/surface/init.h",
-    "src/core/lib/surface/lame_client.h",
-    "src/core/lib/surface/server.h",
-    "src/core/lib/transport/byte_stream.h",
-    "src/core/lib/transport/connectivity_state.h",
-    "src/core/lib/transport/metadata.h",
-    "src/core/lib/transport/metadata_batch.h",
-    "src/core/lib/transport/static_metadata.h",
-    "src/core/lib/transport/transport.h",
-    "src/core/lib/transport/transport_impl.h",
-    "src/core/lib/security/context/security_context.h",
-    "src/core/lib/security/credentials/composite/composite_credentials.h",
-    "src/core/lib/security/credentials/credentials.h",
-    "src/core/lib/security/credentials/fake/fake_credentials.h",
-    "src/core/lib/security/credentials/google_default/google_default_credentials.h",
-    "src/core/lib/security/credentials/iam/iam_credentials.h",
-    "src/core/lib/security/credentials/jwt/json_token.h",
-    "src/core/lib/security/credentials/jwt/jwt_credentials.h",
-    "src/core/lib/security/credentials/jwt/jwt_verifier.h",
-    "src/core/lib/security/credentials/oauth2/oauth2_credentials.h",
-    "src/core/lib/security/credentials/plugin/plugin_credentials.h",
-    "src/core/lib/security/credentials/ssl/ssl_credentials.h",
-    "src/core/lib/security/transport/auth_filters.h",
-    "src/core/lib/security/transport/handshake.h",
-    "src/core/lib/security/transport/secure_endpoint.h",
-    "src/core/lib/security/transport/security_connector.h",
-    "src/core/lib/security/transport/tsi_error.h",
-    "src/core/lib/security/util/b64.h",
-    "src/core/lib/security/util/json_util.h",
-    "src/core/ext/transport/chttp2/alpn/alpn.h",
-    "src/core/lib/tsi/fake_transport_security.h",
-    "src/core/lib/tsi/ssl_transport_security.h",
-    "src/core/lib/tsi/ssl_types.h",
-    "src/core/lib/tsi/transport_security.h",
-    "src/core/lib/tsi/transport_security_interface.h",
     "src/cpp/common/insecure_create_auth_context.cc",
     "src/cpp/client/channel.cc",
     "src/cpp/client/client_context.cc",
@@ -1824,122 +1493,6 @@
     "src/cpp/util/status.cc",
     "src/cpp/util/string_ref.cc",
     "src/cpp/util/time.cc",
-    "src/core/lib/channel/channel_args.c",
-    "src/core/lib/channel/channel_stack.c",
-    "src/core/lib/channel/channel_stack_builder.c",
-    "src/core/lib/channel/compress_filter.c",
-    "src/core/lib/channel/connected_channel.c",
-    "src/core/lib/channel/http_client_filter.c",
-    "src/core/lib/channel/http_server_filter.c",
-    "src/core/lib/compression/compression.c",
-    "src/core/lib/compression/message_compress.c",
-    "src/core/lib/debug/trace.c",
-    "src/core/lib/http/format_request.c",
-    "src/core/lib/http/httpcli.c",
-    "src/core/lib/http/parser.c",
-    "src/core/lib/iomgr/closure.c",
-    "src/core/lib/iomgr/endpoint.c",
-    "src/core/lib/iomgr/endpoint_pair_posix.c",
-    "src/core/lib/iomgr/endpoint_pair_windows.c",
-    "src/core/lib/iomgr/error.c",
-    "src/core/lib/iomgr/ev_epoll_linux.c",
-    "src/core/lib/iomgr/ev_poll_and_epoll_posix.c",
-    "src/core/lib/iomgr/ev_poll_posix.c",
-    "src/core/lib/iomgr/ev_posix.c",
-    "src/core/lib/iomgr/exec_ctx.c",
-    "src/core/lib/iomgr/executor.c",
-    "src/core/lib/iomgr/iocp_windows.c",
-    "src/core/lib/iomgr/iomgr.c",
-    "src/core/lib/iomgr/iomgr_posix.c",
-    "src/core/lib/iomgr/iomgr_windows.c",
-    "src/core/lib/iomgr/load_file.c",
-    "src/core/lib/iomgr/network_status_tracker.c",
-    "src/core/lib/iomgr/polling_entity.c",
-    "src/core/lib/iomgr/pollset_set_windows.c",
-    "src/core/lib/iomgr/pollset_windows.c",
-    "src/core/lib/iomgr/resolve_address_posix.c",
-    "src/core/lib/iomgr/resolve_address_windows.c",
-    "src/core/lib/iomgr/sockaddr_utils.c",
-    "src/core/lib/iomgr/socket_utils_common_posix.c",
-    "src/core/lib/iomgr/socket_utils_linux.c",
-    "src/core/lib/iomgr/socket_utils_posix.c",
-    "src/core/lib/iomgr/socket_windows.c",
-    "src/core/lib/iomgr/tcp_client_posix.c",
-    "src/core/lib/iomgr/tcp_client_windows.c",
-    "src/core/lib/iomgr/tcp_posix.c",
-    "src/core/lib/iomgr/tcp_server_posix.c",
-    "src/core/lib/iomgr/tcp_server_windows.c",
-    "src/core/lib/iomgr/tcp_windows.c",
-    "src/core/lib/iomgr/time_averaged_stats.c",
-    "src/core/lib/iomgr/timer.c",
-    "src/core/lib/iomgr/timer_heap.c",
-    "src/core/lib/iomgr/udp_server.c",
-    "src/core/lib/iomgr/unix_sockets_posix.c",
-    "src/core/lib/iomgr/unix_sockets_posix_noop.c",
-    "src/core/lib/iomgr/wakeup_fd_eventfd.c",
-    "src/core/lib/iomgr/wakeup_fd_nospecial.c",
-    "src/core/lib/iomgr/wakeup_fd_pipe.c",
-    "src/core/lib/iomgr/wakeup_fd_posix.c",
-    "src/core/lib/iomgr/workqueue_posix.c",
-    "src/core/lib/iomgr/workqueue_windows.c",
-    "src/core/lib/json/json.c",
-    "src/core/lib/json/json_reader.c",
-    "src/core/lib/json/json_string.c",
-    "src/core/lib/json/json_writer.c",
-    "src/core/lib/surface/alarm.c",
-    "src/core/lib/surface/api_trace.c",
-    "src/core/lib/surface/byte_buffer.c",
-    "src/core/lib/surface/byte_buffer_reader.c",
-    "src/core/lib/surface/call.c",
-    "src/core/lib/surface/call_details.c",
-    "src/core/lib/surface/call_log_batch.c",
-    "src/core/lib/surface/channel.c",
-    "src/core/lib/surface/channel_init.c",
-    "src/core/lib/surface/channel_ping.c",
-    "src/core/lib/surface/channel_stack_type.c",
-    "src/core/lib/surface/completion_queue.c",
-    "src/core/lib/surface/event_string.c",
-    "src/core/lib/surface/lame_client.c",
-    "src/core/lib/surface/metadata_array.c",
-    "src/core/lib/surface/server.c",
-    "src/core/lib/surface/validate_metadata.c",
-    "src/core/lib/surface/version.c",
-    "src/core/lib/transport/byte_stream.c",
-    "src/core/lib/transport/connectivity_state.c",
-    "src/core/lib/transport/metadata.c",
-    "src/core/lib/transport/metadata_batch.c",
-    "src/core/lib/transport/static_metadata.c",
-    "src/core/lib/transport/transport.c",
-    "src/core/lib/transport/transport_op_string.c",
-    "src/core/lib/http/httpcli_security_connector.c",
-    "src/core/lib/security/context/security_context.c",
-    "src/core/lib/security/credentials/composite/composite_credentials.c",
-    "src/core/lib/security/credentials/credentials.c",
-    "src/core/lib/security/credentials/credentials_metadata.c",
-    "src/core/lib/security/credentials/fake/fake_credentials.c",
-    "src/core/lib/security/credentials/google_default/credentials_posix.c",
-    "src/core/lib/security/credentials/google_default/credentials_windows.c",
-    "src/core/lib/security/credentials/google_default/google_default_credentials.c",
-    "src/core/lib/security/credentials/iam/iam_credentials.c",
-    "src/core/lib/security/credentials/jwt/json_token.c",
-    "src/core/lib/security/credentials/jwt/jwt_credentials.c",
-    "src/core/lib/security/credentials/jwt/jwt_verifier.c",
-    "src/core/lib/security/credentials/oauth2/oauth2_credentials.c",
-    "src/core/lib/security/credentials/plugin/plugin_credentials.c",
-    "src/core/lib/security/credentials/ssl/ssl_credentials.c",
-    "src/core/lib/security/transport/client_auth_filter.c",
-    "src/core/lib/security/transport/handshake.c",
-    "src/core/lib/security/transport/secure_endpoint.c",
-    "src/core/lib/security/transport/security_connector.c",
-    "src/core/lib/security/transport/server_auth_filter.c",
-    "src/core/lib/security/transport/tsi_error.c",
-    "src/core/lib/security/util/b64.c",
-    "src/core/lib/security/util/json_util.c",
-    "src/core/lib/surface/init_secure.c",
-    "src/core/ext/transport/chttp2/alpn/alpn.c",
-    "src/core/lib/tsi/fake_transport_security.c",
-    "src/core/lib/tsi/ssl_transport_security.c",
-    "src/core/lib/tsi/transport_security.c",
     "src/cpp/codegen/codegen_init.cc",
   ],
   hdrs = [
@@ -2041,14 +1594,6 @@
     "include/grpc/impl/codegen/sync_posix.h",
     "include/grpc/impl/codegen/sync_windows.h",
     "include/grpc/impl/codegen/time.h",
-    "include/grpc/byte_buffer.h",
-    "include/grpc/byte_buffer_reader.h",
-    "include/grpc/compression.h",
-    "include/grpc/grpc.h",
-    "include/grpc/grpc_posix.h",
-    "include/grpc/status.h",
-    "include/grpc/grpc_security.h",
-    "include/grpc/grpc_security_constants.h",
   ],
   includes = [
     "include",
@@ -2058,6 +1603,7 @@
     "//external:protobuf_clib",
     ":gpr",
     ":grpc_unsecure",
+    ":grpc",
   ],
 )
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index fb8a199..8ac4818 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -725,122 +725,6 @@
   src/cpp/util/status.cc
   src/cpp/util/string_ref.cc
   src/cpp/util/time.cc
-  src/core/lib/channel/channel_args.c
-  src/core/lib/channel/channel_stack.c
-  src/core/lib/channel/channel_stack_builder.c
-  src/core/lib/channel/compress_filter.c
-  src/core/lib/channel/connected_channel.c
-  src/core/lib/channel/http_client_filter.c
-  src/core/lib/channel/http_server_filter.c
-  src/core/lib/compression/compression.c
-  src/core/lib/compression/message_compress.c
-  src/core/lib/debug/trace.c
-  src/core/lib/http/format_request.c
-  src/core/lib/http/httpcli.c
-  src/core/lib/http/parser.c
-  src/core/lib/iomgr/closure.c
-  src/core/lib/iomgr/endpoint.c
-  src/core/lib/iomgr/endpoint_pair_posix.c
-  src/core/lib/iomgr/endpoint_pair_windows.c
-  src/core/lib/iomgr/error.c
-  src/core/lib/iomgr/ev_epoll_linux.c
-  src/core/lib/iomgr/ev_poll_and_epoll_posix.c
-  src/core/lib/iomgr/ev_poll_posix.c
-  src/core/lib/iomgr/ev_posix.c
-  src/core/lib/iomgr/exec_ctx.c
-  src/core/lib/iomgr/executor.c
-  src/core/lib/iomgr/iocp_windows.c
-  src/core/lib/iomgr/iomgr.c
-  src/core/lib/iomgr/iomgr_posix.c
-  src/core/lib/iomgr/iomgr_windows.c
-  src/core/lib/iomgr/load_file.c
-  src/core/lib/iomgr/network_status_tracker.c
-  src/core/lib/iomgr/polling_entity.c
-  src/core/lib/iomgr/pollset_set_windows.c
-  src/core/lib/iomgr/pollset_windows.c
-  src/core/lib/iomgr/resolve_address_posix.c
-  src/core/lib/iomgr/resolve_address_windows.c
-  src/core/lib/iomgr/sockaddr_utils.c
-  src/core/lib/iomgr/socket_utils_common_posix.c
-  src/core/lib/iomgr/socket_utils_linux.c
-  src/core/lib/iomgr/socket_utils_posix.c
-  src/core/lib/iomgr/socket_windows.c
-  src/core/lib/iomgr/tcp_client_posix.c
-  src/core/lib/iomgr/tcp_client_windows.c
-  src/core/lib/iomgr/tcp_posix.c
-  src/core/lib/iomgr/tcp_server_posix.c
-  src/core/lib/iomgr/tcp_server_windows.c
-  src/core/lib/iomgr/tcp_windows.c
-  src/core/lib/iomgr/time_averaged_stats.c
-  src/core/lib/iomgr/timer.c
-  src/core/lib/iomgr/timer_heap.c
-  src/core/lib/iomgr/udp_server.c
-  src/core/lib/iomgr/unix_sockets_posix.c
-  src/core/lib/iomgr/unix_sockets_posix_noop.c
-  src/core/lib/iomgr/wakeup_fd_eventfd.c
-  src/core/lib/iomgr/wakeup_fd_nospecial.c
-  src/core/lib/iomgr/wakeup_fd_pipe.c
-  src/core/lib/iomgr/wakeup_fd_posix.c
-  src/core/lib/iomgr/workqueue_posix.c
-  src/core/lib/iomgr/workqueue_windows.c
-  src/core/lib/json/json.c
-  src/core/lib/json/json_reader.c
-  src/core/lib/json/json_string.c
-  src/core/lib/json/json_writer.c
-  src/core/lib/surface/alarm.c
-  src/core/lib/surface/api_trace.c
-  src/core/lib/surface/byte_buffer.c
-  src/core/lib/surface/byte_buffer_reader.c
-  src/core/lib/surface/call.c
-  src/core/lib/surface/call_details.c
-  src/core/lib/surface/call_log_batch.c
-  src/core/lib/surface/channel.c
-  src/core/lib/surface/channel_init.c
-  src/core/lib/surface/channel_ping.c
-  src/core/lib/surface/channel_stack_type.c
-  src/core/lib/surface/completion_queue.c
-  src/core/lib/surface/event_string.c
-  src/core/lib/surface/lame_client.c
-  src/core/lib/surface/metadata_array.c
-  src/core/lib/surface/server.c
-  src/core/lib/surface/validate_metadata.c
-  src/core/lib/surface/version.c
-  src/core/lib/transport/byte_stream.c
-  src/core/lib/transport/connectivity_state.c
-  src/core/lib/transport/metadata.c
-  src/core/lib/transport/metadata_batch.c
-  src/core/lib/transport/static_metadata.c
-  src/core/lib/transport/transport.c
-  src/core/lib/transport/transport_op_string.c
-  src/core/lib/http/httpcli_security_connector.c
-  src/core/lib/security/context/security_context.c
-  src/core/lib/security/credentials/composite/composite_credentials.c
-  src/core/lib/security/credentials/credentials.c
-  src/core/lib/security/credentials/credentials_metadata.c
-  src/core/lib/security/credentials/fake/fake_credentials.c
-  src/core/lib/security/credentials/google_default/credentials_posix.c
-  src/core/lib/security/credentials/google_default/credentials_windows.c
-  src/core/lib/security/credentials/google_default/google_default_credentials.c
-  src/core/lib/security/credentials/iam/iam_credentials.c
-  src/core/lib/security/credentials/jwt/json_token.c
-  src/core/lib/security/credentials/jwt/jwt_credentials.c
-  src/core/lib/security/credentials/jwt/jwt_verifier.c
-  src/core/lib/security/credentials/oauth2/oauth2_credentials.c
-  src/core/lib/security/credentials/plugin/plugin_credentials.c
-  src/core/lib/security/credentials/ssl/ssl_credentials.c
-  src/core/lib/security/transport/client_auth_filter.c
-  src/core/lib/security/transport/handshake.c
-  src/core/lib/security/transport/secure_endpoint.c
-  src/core/lib/security/transport/security_connector.c
-  src/core/lib/security/transport/server_auth_filter.c
-  src/core/lib/security/transport/tsi_error.c
-  src/core/lib/security/util/b64.c
-  src/core/lib/security/util/json_util.c
-  src/core/lib/surface/init_secure.c
-  src/core/ext/transport/chttp2/alpn/alpn.c
-  src/core/lib/tsi/fake_transport_security.c
-  src/core/lib/tsi/ssl_transport_security.c
-  src/core/lib/tsi/transport_security.c
   src/cpp/codegen/codegen_init.cc
 )
 
@@ -857,7 +741,6 @@
   ssl
   libprotobuf
   grpc
-  gpr
 )
 
   
@@ -910,122 +793,6 @@
   src/cpp/util/status.cc
   src/cpp/util/string_ref.cc
   src/cpp/util/time.cc
-  src/core/lib/channel/channel_args.c
-  src/core/lib/channel/channel_stack.c
-  src/core/lib/channel/channel_stack_builder.c
-  src/core/lib/channel/compress_filter.c
-  src/core/lib/channel/connected_channel.c
-  src/core/lib/channel/http_client_filter.c
-  src/core/lib/channel/http_server_filter.c
-  src/core/lib/compression/compression.c
-  src/core/lib/compression/message_compress.c
-  src/core/lib/debug/trace.c
-  src/core/lib/http/format_request.c
-  src/core/lib/http/httpcli.c
-  src/core/lib/http/parser.c
-  src/core/lib/iomgr/closure.c
-  src/core/lib/iomgr/endpoint.c
-  src/core/lib/iomgr/endpoint_pair_posix.c
-  src/core/lib/iomgr/endpoint_pair_windows.c
-  src/core/lib/iomgr/error.c
-  src/core/lib/iomgr/ev_epoll_linux.c
-  src/core/lib/iomgr/ev_poll_and_epoll_posix.c
-  src/core/lib/iomgr/ev_poll_posix.c
-  src/core/lib/iomgr/ev_posix.c
-  src/core/lib/iomgr/exec_ctx.c
-  src/core/lib/iomgr/executor.c
-  src/core/lib/iomgr/iocp_windows.c
-  src/core/lib/iomgr/iomgr.c
-  src/core/lib/iomgr/iomgr_posix.c
-  src/core/lib/iomgr/iomgr_windows.c
-  src/core/lib/iomgr/load_file.c
-  src/core/lib/iomgr/network_status_tracker.c
-  src/core/lib/iomgr/polling_entity.c
-  src/core/lib/iomgr/pollset_set_windows.c
-  src/core/lib/iomgr/pollset_windows.c
-  src/core/lib/iomgr/resolve_address_posix.c
-  src/core/lib/iomgr/resolve_address_windows.c
-  src/core/lib/iomgr/sockaddr_utils.c
-  src/core/lib/iomgr/socket_utils_common_posix.c
-  src/core/lib/iomgr/socket_utils_linux.c
-  src/core/lib/iomgr/socket_utils_posix.c
-  src/core/lib/iomgr/socket_windows.c
-  src/core/lib/iomgr/tcp_client_posix.c
-  src/core/lib/iomgr/tcp_client_windows.c
-  src/core/lib/iomgr/tcp_posix.c
-  src/core/lib/iomgr/tcp_server_posix.c
-  src/core/lib/iomgr/tcp_server_windows.c
-  src/core/lib/iomgr/tcp_windows.c
-  src/core/lib/iomgr/time_averaged_stats.c
-  src/core/lib/iomgr/timer.c
-  src/core/lib/iomgr/timer_heap.c
-  src/core/lib/iomgr/udp_server.c
-  src/core/lib/iomgr/unix_sockets_posix.c
-  src/core/lib/iomgr/unix_sockets_posix_noop.c
-  src/core/lib/iomgr/wakeup_fd_eventfd.c
-  src/core/lib/iomgr/wakeup_fd_nospecial.c
-  src/core/lib/iomgr/wakeup_fd_pipe.c
-  src/core/lib/iomgr/wakeup_fd_posix.c
-  src/core/lib/iomgr/workqueue_posix.c
-  src/core/lib/iomgr/workqueue_windows.c
-  src/core/lib/json/json.c
-  src/core/lib/json/json_reader.c
-  src/core/lib/json/json_string.c
-  src/core/lib/json/json_writer.c
-  src/core/lib/surface/alarm.c
-  src/core/lib/surface/api_trace.c
-  src/core/lib/surface/byte_buffer.c
-  src/core/lib/surface/byte_buffer_reader.c
-  src/core/lib/surface/call.c
-  src/core/lib/surface/call_details.c
-  src/core/lib/surface/call_log_batch.c
-  src/core/lib/surface/channel.c
-  src/core/lib/surface/channel_init.c
-  src/core/lib/surface/channel_ping.c
-  src/core/lib/surface/channel_stack_type.c
-  src/core/lib/surface/completion_queue.c
-  src/core/lib/surface/event_string.c
-  src/core/lib/surface/lame_client.c
-  src/core/lib/surface/metadata_array.c
-  src/core/lib/surface/server.c
-  src/core/lib/surface/validate_metadata.c
-  src/core/lib/surface/version.c
-  src/core/lib/transport/byte_stream.c
-  src/core/lib/transport/connectivity_state.c
-  src/core/lib/transport/metadata.c
-  src/core/lib/transport/metadata_batch.c
-  src/core/lib/transport/static_metadata.c
-  src/core/lib/transport/transport.c
-  src/core/lib/transport/transport_op_string.c
-  src/core/lib/http/httpcli_security_connector.c
-  src/core/lib/security/context/security_context.c
-  src/core/lib/security/credentials/composite/composite_credentials.c
-  src/core/lib/security/credentials/credentials.c
-  src/core/lib/security/credentials/credentials_metadata.c
-  src/core/lib/security/credentials/fake/fake_credentials.c
-  src/core/lib/security/credentials/google_default/credentials_posix.c
-  src/core/lib/security/credentials/google_default/credentials_windows.c
-  src/core/lib/security/credentials/google_default/google_default_credentials.c
-  src/core/lib/security/credentials/iam/iam_credentials.c
-  src/core/lib/security/credentials/jwt/json_token.c
-  src/core/lib/security/credentials/jwt/jwt_credentials.c
-  src/core/lib/security/credentials/jwt/jwt_verifier.c
-  src/core/lib/security/credentials/oauth2/oauth2_credentials.c
-  src/core/lib/security/credentials/plugin/plugin_credentials.c
-  src/core/lib/security/credentials/ssl/ssl_credentials.c
-  src/core/lib/security/transport/client_auth_filter.c
-  src/core/lib/security/transport/handshake.c
-  src/core/lib/security/transport/secure_endpoint.c
-  src/core/lib/security/transport/security_connector.c
-  src/core/lib/security/transport/server_auth_filter.c
-  src/core/lib/security/transport/tsi_error.c
-  src/core/lib/security/util/b64.c
-  src/core/lib/security/util/json_util.c
-  src/core/lib/surface/init_secure.c
-  src/core/ext/transport/chttp2/alpn/alpn.c
-  src/core/lib/tsi/fake_transport_security.c
-  src/core/lib/tsi/ssl_transport_security.c
-  src/core/lib/tsi/transport_security.c
   src/cpp/codegen/codegen_init.cc
 )
 
@@ -1042,6 +809,7 @@
   libprotobuf
   gpr
   grpc_unsecure
+  grpc
 )
 
   
diff --git a/Makefile b/Makefile
index 51f5c5e..db479c9 100644
--- a/Makefile
+++ b/Makefile
@@ -3421,122 +3421,6 @@
     src/cpp/util/status.cc \
     src/cpp/util/string_ref.cc \
     src/cpp/util/time.cc \
-    src/core/lib/channel/channel_args.c \
-    src/core/lib/channel/channel_stack.c \
-    src/core/lib/channel/channel_stack_builder.c \
-    src/core/lib/channel/compress_filter.c \
-    src/core/lib/channel/connected_channel.c \
-    src/core/lib/channel/http_client_filter.c \
-    src/core/lib/channel/http_server_filter.c \
-    src/core/lib/compression/compression.c \
-    src/core/lib/compression/message_compress.c \
-    src/core/lib/debug/trace.c \
-    src/core/lib/http/format_request.c \
-    src/core/lib/http/httpcli.c \
-    src/core/lib/http/parser.c \
-    src/core/lib/iomgr/closure.c \
-    src/core/lib/iomgr/endpoint.c \
-    src/core/lib/iomgr/endpoint_pair_posix.c \
-    src/core/lib/iomgr/endpoint_pair_windows.c \
-    src/core/lib/iomgr/error.c \
-    src/core/lib/iomgr/ev_epoll_linux.c \
-    src/core/lib/iomgr/ev_poll_and_epoll_posix.c \
-    src/core/lib/iomgr/ev_poll_posix.c \
-    src/core/lib/iomgr/ev_posix.c \
-    src/core/lib/iomgr/exec_ctx.c \
-    src/core/lib/iomgr/executor.c \
-    src/core/lib/iomgr/iocp_windows.c \
-    src/core/lib/iomgr/iomgr.c \
-    src/core/lib/iomgr/iomgr_posix.c \
-    src/core/lib/iomgr/iomgr_windows.c \
-    src/core/lib/iomgr/load_file.c \
-    src/core/lib/iomgr/network_status_tracker.c \
-    src/core/lib/iomgr/polling_entity.c \
-    src/core/lib/iomgr/pollset_set_windows.c \
-    src/core/lib/iomgr/pollset_windows.c \
-    src/core/lib/iomgr/resolve_address_posix.c \
-    src/core/lib/iomgr/resolve_address_windows.c \
-    src/core/lib/iomgr/sockaddr_utils.c \
-    src/core/lib/iomgr/socket_utils_common_posix.c \
-    src/core/lib/iomgr/socket_utils_linux.c \
-    src/core/lib/iomgr/socket_utils_posix.c \
-    src/core/lib/iomgr/socket_windows.c \
-    src/core/lib/iomgr/tcp_client_posix.c \
-    src/core/lib/iomgr/tcp_client_windows.c \
-    src/core/lib/iomgr/tcp_posix.c \
-    src/core/lib/iomgr/tcp_server_posix.c \
-    src/core/lib/iomgr/tcp_server_windows.c \
-    src/core/lib/iomgr/tcp_windows.c \
-    src/core/lib/iomgr/time_averaged_stats.c \
-    src/core/lib/iomgr/timer.c \
-    src/core/lib/iomgr/timer_heap.c \
-    src/core/lib/iomgr/udp_server.c \
-    src/core/lib/iomgr/unix_sockets_posix.c \
-    src/core/lib/iomgr/unix_sockets_posix_noop.c \
-    src/core/lib/iomgr/wakeup_fd_eventfd.c \
-    src/core/lib/iomgr/wakeup_fd_nospecial.c \
-    src/core/lib/iomgr/wakeup_fd_pipe.c \
-    src/core/lib/iomgr/wakeup_fd_posix.c \
-    src/core/lib/iomgr/workqueue_posix.c \
-    src/core/lib/iomgr/workqueue_windows.c \
-    src/core/lib/json/json.c \
-    src/core/lib/json/json_reader.c \
-    src/core/lib/json/json_string.c \
-    src/core/lib/json/json_writer.c \
-    src/core/lib/surface/alarm.c \
-    src/core/lib/surface/api_trace.c \
-    src/core/lib/surface/byte_buffer.c \
-    src/core/lib/surface/byte_buffer_reader.c \
-    src/core/lib/surface/call.c \
-    src/core/lib/surface/call_details.c \
-    src/core/lib/surface/call_log_batch.c \
-    src/core/lib/surface/channel.c \
-    src/core/lib/surface/channel_init.c \
-    src/core/lib/surface/channel_ping.c \
-    src/core/lib/surface/channel_stack_type.c \
-    src/core/lib/surface/completion_queue.c \
-    src/core/lib/surface/event_string.c \
-    src/core/lib/surface/lame_client.c \
-    src/core/lib/surface/metadata_array.c \
-    src/core/lib/surface/server.c \
-    src/core/lib/surface/validate_metadata.c \
-    src/core/lib/surface/version.c \
-    src/core/lib/transport/byte_stream.c \
-    src/core/lib/transport/connectivity_state.c \
-    src/core/lib/transport/metadata.c \
-    src/core/lib/transport/metadata_batch.c \
-    src/core/lib/transport/static_metadata.c \
-    src/core/lib/transport/transport.c \
-    src/core/lib/transport/transport_op_string.c \
-    src/core/lib/http/httpcli_security_connector.c \
-    src/core/lib/security/context/security_context.c \
-    src/core/lib/security/credentials/composite/composite_credentials.c \
-    src/core/lib/security/credentials/credentials.c \
-    src/core/lib/security/credentials/credentials_metadata.c \
-    src/core/lib/security/credentials/fake/fake_credentials.c \
-    src/core/lib/security/credentials/google_default/credentials_posix.c \
-    src/core/lib/security/credentials/google_default/credentials_windows.c \
-    src/core/lib/security/credentials/google_default/google_default_credentials.c \
-    src/core/lib/security/credentials/iam/iam_credentials.c \
-    src/core/lib/security/credentials/jwt/json_token.c \
-    src/core/lib/security/credentials/jwt/jwt_credentials.c \
-    src/core/lib/security/credentials/jwt/jwt_verifier.c \
-    src/core/lib/security/credentials/oauth2/oauth2_credentials.c \
-    src/core/lib/security/credentials/plugin/plugin_credentials.c \
-    src/core/lib/security/credentials/ssl/ssl_credentials.c \
-    src/core/lib/security/transport/client_auth_filter.c \
-    src/core/lib/security/transport/handshake.c \
-    src/core/lib/security/transport/secure_endpoint.c \
-    src/core/lib/security/transport/security_connector.c \
-    src/core/lib/security/transport/server_auth_filter.c \
-    src/core/lib/security/transport/tsi_error.c \
-    src/core/lib/security/util/b64.c \
-    src/core/lib/security/util/json_util.c \
-    src/core/lib/surface/init_secure.c \
-    src/core/ext/transport/chttp2/alpn/alpn.c \
-    src/core/lib/tsi/fake_transport_security.c \
-    src/core/lib/tsi/ssl_transport_security.c \
-    src/core/lib/tsi/transport_security.c \
     src/cpp/codegen/codegen_init.cc \
 
 PUBLIC_HEADERS_CXX += \
@@ -3638,14 +3522,6 @@
     include/grpc/impl/codegen/sync_posix.h \
     include/grpc/impl/codegen/sync_windows.h \
     include/grpc/impl/codegen/time.h \
-    include/grpc/byte_buffer.h \
-    include/grpc/byte_buffer_reader.h \
-    include/grpc/compression.h \
-    include/grpc/grpc.h \
-    include/grpc/grpc_posix.h \
-    include/grpc/status.h \
-    include/grpc/grpc_security.h \
-    include/grpc/grpc_security_constants.h \
 
 LIBGRPC++_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC++_SRC))))
 
@@ -3682,18 +3558,18 @@
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/gpr.$(SHARED_EXT) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc.$(SHARED_EXT) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc-imp -lgpr-imp
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc-imp
 else
-$(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc -lgpr
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++.so.0 -o $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc -lgpr
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++.so.0 -o $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION).so.0
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION).so
 endif
@@ -4032,122 +3908,6 @@
     src/cpp/util/status.cc \
     src/cpp/util/string_ref.cc \
     src/cpp/util/time.cc \
-    src/core/lib/channel/channel_args.c \
-    src/core/lib/channel/channel_stack.c \
-    src/core/lib/channel/channel_stack_builder.c \
-    src/core/lib/channel/compress_filter.c \
-    src/core/lib/channel/connected_channel.c \
-    src/core/lib/channel/http_client_filter.c \
-    src/core/lib/channel/http_server_filter.c \
-    src/core/lib/compression/compression.c \
-    src/core/lib/compression/message_compress.c \
-    src/core/lib/debug/trace.c \
-    src/core/lib/http/format_request.c \
-    src/core/lib/http/httpcli.c \
-    src/core/lib/http/parser.c \
-    src/core/lib/iomgr/closure.c \
-    src/core/lib/iomgr/endpoint.c \
-    src/core/lib/iomgr/endpoint_pair_posix.c \
-    src/core/lib/iomgr/endpoint_pair_windows.c \
-    src/core/lib/iomgr/error.c \
-    src/core/lib/iomgr/ev_epoll_linux.c \
-    src/core/lib/iomgr/ev_poll_and_epoll_posix.c \
-    src/core/lib/iomgr/ev_poll_posix.c \
-    src/core/lib/iomgr/ev_posix.c \
-    src/core/lib/iomgr/exec_ctx.c \
-    src/core/lib/iomgr/executor.c \
-    src/core/lib/iomgr/iocp_windows.c \
-    src/core/lib/iomgr/iomgr.c \
-    src/core/lib/iomgr/iomgr_posix.c \
-    src/core/lib/iomgr/iomgr_windows.c \
-    src/core/lib/iomgr/load_file.c \
-    src/core/lib/iomgr/network_status_tracker.c \
-    src/core/lib/iomgr/polling_entity.c \
-    src/core/lib/iomgr/pollset_set_windows.c \
-    src/core/lib/iomgr/pollset_windows.c \
-    src/core/lib/iomgr/resolve_address_posix.c \
-    src/core/lib/iomgr/resolve_address_windows.c \
-    src/core/lib/iomgr/sockaddr_utils.c \
-    src/core/lib/iomgr/socket_utils_common_posix.c \
-    src/core/lib/iomgr/socket_utils_linux.c \
-    src/core/lib/iomgr/socket_utils_posix.c \
-    src/core/lib/iomgr/socket_windows.c \
-    src/core/lib/iomgr/tcp_client_posix.c \
-    src/core/lib/iomgr/tcp_client_windows.c \
-    src/core/lib/iomgr/tcp_posix.c \
-    src/core/lib/iomgr/tcp_server_posix.c \
-    src/core/lib/iomgr/tcp_server_windows.c \
-    src/core/lib/iomgr/tcp_windows.c \
-    src/core/lib/iomgr/time_averaged_stats.c \
-    src/core/lib/iomgr/timer.c \
-    src/core/lib/iomgr/timer_heap.c \
-    src/core/lib/iomgr/udp_server.c \
-    src/core/lib/iomgr/unix_sockets_posix.c \
-    src/core/lib/iomgr/unix_sockets_posix_noop.c \
-    src/core/lib/iomgr/wakeup_fd_eventfd.c \
-    src/core/lib/iomgr/wakeup_fd_nospecial.c \
-    src/core/lib/iomgr/wakeup_fd_pipe.c \
-    src/core/lib/iomgr/wakeup_fd_posix.c \
-    src/core/lib/iomgr/workqueue_posix.c \
-    src/core/lib/iomgr/workqueue_windows.c \
-    src/core/lib/json/json.c \
-    src/core/lib/json/json_reader.c \
-    src/core/lib/json/json_string.c \
-    src/core/lib/json/json_writer.c \
-    src/core/lib/surface/alarm.c \
-    src/core/lib/surface/api_trace.c \
-    src/core/lib/surface/byte_buffer.c \
-    src/core/lib/surface/byte_buffer_reader.c \
-    src/core/lib/surface/call.c \
-    src/core/lib/surface/call_details.c \
-    src/core/lib/surface/call_log_batch.c \
-    src/core/lib/surface/channel.c \
-    src/core/lib/surface/channel_init.c \
-    src/core/lib/surface/channel_ping.c \
-    src/core/lib/surface/channel_stack_type.c \
-    src/core/lib/surface/completion_queue.c \
-    src/core/lib/surface/event_string.c \
-    src/core/lib/surface/lame_client.c \
-    src/core/lib/surface/metadata_array.c \
-    src/core/lib/surface/server.c \
-    src/core/lib/surface/validate_metadata.c \
-    src/core/lib/surface/version.c \
-    src/core/lib/transport/byte_stream.c \
-    src/core/lib/transport/connectivity_state.c \
-    src/core/lib/transport/metadata.c \
-    src/core/lib/transport/metadata_batch.c \
-    src/core/lib/transport/static_metadata.c \
-    src/core/lib/transport/transport.c \
-    src/core/lib/transport/transport_op_string.c \
-    src/core/lib/http/httpcli_security_connector.c \
-    src/core/lib/security/context/security_context.c \
-    src/core/lib/security/credentials/composite/composite_credentials.c \
-    src/core/lib/security/credentials/credentials.c \
-    src/core/lib/security/credentials/credentials_metadata.c \
-    src/core/lib/security/credentials/fake/fake_credentials.c \
-    src/core/lib/security/credentials/google_default/credentials_posix.c \
-    src/core/lib/security/credentials/google_default/credentials_windows.c \
-    src/core/lib/security/credentials/google_default/google_default_credentials.c \
-    src/core/lib/security/credentials/iam/iam_credentials.c \
-    src/core/lib/security/credentials/jwt/json_token.c \
-    src/core/lib/security/credentials/jwt/jwt_credentials.c \
-    src/core/lib/security/credentials/jwt/jwt_verifier.c \
-    src/core/lib/security/credentials/oauth2/oauth2_credentials.c \
-    src/core/lib/security/credentials/plugin/plugin_credentials.c \
-    src/core/lib/security/credentials/ssl/ssl_credentials.c \
-    src/core/lib/security/transport/client_auth_filter.c \
-    src/core/lib/security/transport/handshake.c \
-    src/core/lib/security/transport/secure_endpoint.c \
-    src/core/lib/security/transport/security_connector.c \
-    src/core/lib/security/transport/server_auth_filter.c \
-    src/core/lib/security/transport/tsi_error.c \
-    src/core/lib/security/util/b64.c \
-    src/core/lib/security/util/json_util.c \
-    src/core/lib/surface/init_secure.c \
-    src/core/ext/transport/chttp2/alpn/alpn.c \
-    src/core/lib/tsi/fake_transport_security.c \
-    src/core/lib/tsi/ssl_transport_security.c \
-    src/core/lib/tsi/transport_security.c \
     src/cpp/codegen/codegen_init.cc \
 
 PUBLIC_HEADERS_CXX += \
@@ -4249,14 +4009,6 @@
     include/grpc/impl/codegen/sync_posix.h \
     include/grpc/impl/codegen/sync_windows.h \
     include/grpc/impl/codegen/time.h \
-    include/grpc/byte_buffer.h \
-    include/grpc/byte_buffer_reader.h \
-    include/grpc/compression.h \
-    include/grpc/grpc.h \
-    include/grpc/grpc_posix.h \
-    include/grpc/status.h \
-    include/grpc/grpc_security.h \
-    include/grpc/grpc_security_constants.h \
 
 LIBGRPC++_UNSECURE_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC++_UNSECURE_SRC))))
 
@@ -4283,18 +4035,18 @@
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/gpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/grpc_unsecure.$(SHARED_EXT)
+$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/gpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/grpc_unsecure.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/grpc.$(SHARED_EXT)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++_unsecure.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr-imp -lgrpc_unsecure-imp
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++_unsecure.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr-imp -lgrpc_unsecure-imp -lgrpc-imp
 else
-$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT)
+$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure -lgrpc
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_unsecure.so.0 -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_unsecure.so.0 -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure -lgrpc
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).so.0
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).so
 endif
@@ -15099,6 +14851,34 @@
 src/core/ext/transport/cronet/client/secure/cronet_channel_create.c: $(OPENSSL_DEP)
 src/core/ext/transport/cronet/transport/cronet_api_dummy.c: $(OPENSSL_DEP)
 src/core/ext/transport/cronet/transport/cronet_transport.c: $(OPENSSL_DEP)
+src/core/lib/http/httpcli_security_connector.c: $(OPENSSL_DEP)
+src/core/lib/security/context/security_context.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials/composite/composite_credentials.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials/credentials.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials/credentials_metadata.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials/fake/fake_credentials.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials/google_default/credentials_posix.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials/google_default/credentials_windows.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials/google_default/google_default_credentials.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials/iam/iam_credentials.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials/jwt/json_token.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials/jwt/jwt_credentials.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials/jwt/jwt_verifier.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials/oauth2/oauth2_credentials.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials/plugin/plugin_credentials.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials/ssl/ssl_credentials.c: $(OPENSSL_DEP)
+src/core/lib/security/transport/client_auth_filter.c: $(OPENSSL_DEP)
+src/core/lib/security/transport/handshake.c: $(OPENSSL_DEP)
+src/core/lib/security/transport/secure_endpoint.c: $(OPENSSL_DEP)
+src/core/lib/security/transport/security_connector.c: $(OPENSSL_DEP)
+src/core/lib/security/transport/server_auth_filter.c: $(OPENSSL_DEP)
+src/core/lib/security/transport/tsi_error.c: $(OPENSSL_DEP)
+src/core/lib/security/util/b64.c: $(OPENSSL_DEP)
+src/core/lib/security/util/json_util.c: $(OPENSSL_DEP)
+src/core/lib/surface/init_secure.c: $(OPENSSL_DEP)
+src/core/lib/tsi/fake_transport_security.c: $(OPENSSL_DEP)
+src/core/lib/tsi/ssl_transport_security.c: $(OPENSSL_DEP)
+src/core/lib/tsi/transport_security.c: $(OPENSSL_DEP)
 src/core/plugin_registry/grpc_cronet_plugin_registry.c: $(OPENSSL_DEP)
 src/core/plugin_registry/grpc_plugin_registry.c: $(OPENSSL_DEP)
 src/cpp/client/secure_credentials.cc: $(OPENSSL_DEP)
diff --git a/build.yaml b/build.yaml
index dc42a61..1b20dde 100644
--- a/build.yaml
+++ b/build.yaml
@@ -712,10 +712,10 @@
   - src/cpp/util/status.cc
   - src/cpp/util/string_ref.cc
   - src/cpp/util/time.cc
+  deps:
+  - grpc
   uses:
   - grpc++_codegen_base
-  - grpc_base
-  - grpc_secure
 - name: grpc++_codegen_base
   language: c++
   public_headers:
diff --git a/doc/compression_cookbook.md b/doc/compression_cookbook.md
new file mode 100644
index 0000000..c10a805
--- /dev/null
+++ b/doc/compression_cookbook.md
@@ -0,0 +1,133 @@
+# gRPC (Core) Compression Cookbook
+
+## Introduction
+
+This document describes compression as implemented by the gRPC C core. See [the
+full compression specification](compression.md) for details.
+
+### Intended Audience
+
+Wrapped languages developers, for the purposes of supporting compression by
+interacting with the C core.
+
+## Criteria for GA readiness
+
+1. Be able to set compression at [channel](#per-channel-settings),
+   [call](#per-call-settings) and [message](#per-message-settings) level.
+   In principle this API should be based on _compression levels_ as opposed to
+   algorithms. See the discussion [below](#level-vs-algorithms).
+1. Have unit tests covering [the cases from the
+   spec](https://github.com/grpc/grpc/blob/master/doc/compression.md#test-cases).
+1. Interop tests implemented and passing on Jenkins. The two relevant interop
+   test cases are
+   [large_compressed_unary](https://github.com/grpc/grpc/blob/master/doc/interop-test-descriptions.md#large_compressed_unary)
+   and
+   [server_compressed_streaming](https://github.com/grpc/grpc/blob/master/doc/interop-test-descriptions.md#server_compressed_streaming).
+
+## Summary Flowcharts
+
+The following flowcharts depict the evolution of a message, both _incoming_ and
+_outgoing_, irrespective of the client/server character of the call. Aspects
+still not symmetric between clients and servers (e.g. the [use of compression
+levels](https://github.com/grpc/grpc/blob/master/doc/compression.md#compression-levels-and-algorithms))
+are explicitly marked. The in-detail textual description for the different
+scenarios is described in subsequent sections.
+
+## Incoming Messages
+
+![image](images/compression_cookbook_incoming.png)
+
+## Outgoing Messages
+
+![image](images/compression_cookbook_outgoing.png)
+
+## Levels vs Algorithms
+
+As mentioned in [the relevant discussion on the spec
+document](https://github.com/grpc/grpc/blob/master/doc/compression.md#compression-levels-and-algorithms),
+compression _levels_ are the primary mechanism for compression selection _at the
+server side_. In the future, it'll also be at the client side. The use of levels
+abstracts away the intricacies of selecting a concrete algorithm supported by a
+peer, on top of removing the burden of choice from the developer.
+As of this writing (Q2 2016), clients can only specify compression _algorithms_.
+Clients will support levels as soon as an automatic retry/negotiation mechanism
+is in place.
+
+## Per Channel Settings
+
+Compression may be configured at channel creation. This is a convenience to
+avoid having to repeatedly configure compression for every call. Note that any
+compression setting on individual [calls](#per-call-settings) or
+[messages](#per-message-settings) overrides channel settings.
+
+The following aspects can be configured at channel-creation time via channel arguments:
+
+#### Disable Compression _Algorithms_
+
+Use the channel argument key
+`GRPC_COMPRESSION_CHANNEL_ENABLED_ALGORITHMS_BITSET` (from
+[`grpc/impl/codegen/compression_types.h`](https://github.com/grpc/grpc/blob/master/include/grpc/impl/codegen/compression_types.h)),
+takes a 32 bit bitset value. A set bit means the algorithm with that enum value
+according to `grpc_compression_algorithm` is _enabled_.
+For example, `GRPC_COMPRESS_GZIP` currently has a numeric value of 2. To
+enable/disable GZIP for a channel, one would set/clear the 3rd LSB (eg, 0b100 =
+0x4). Note that setting/clearing 0th position, that corresponding to
+`GRPC_COMPRESS_NONE`, has no effect, as no-compression (a.k.a. _identity_) is
+always supported.
+Incoming messages compressed (ie, encoded) with a disabled algorithm will result
+in the call being closed with `GRPC_STATUS_UNIMPLEMENTED`.
+
+#### Default Compression _Level_
+
+**(currently, Q2 2016, only applicable for server side channels. It's ignored
+for clients.)**
+Use the channel argument key `GRPC_COMPRESSION_CHANNEL_DEFAULT_LEVEL` (from
+[`grpc/impl/codegen/compression_types.h`](https://github.com/grpc/grpc/blob/master/include/grpc/impl/codegen/compression_types.h)),
+valued by an integer corresponding to a value from the `grpc_compression_level`
+enum.
+
+#### Default Compression _Algorithm_
+
+Use the channel argument key `GRPC_COMPRESSION_CHANNEL_DEFAULT_ALGORITHM` (from
+[`grpc/impl/codegen/compression_types.h`](https://github.com/grpc/grpc/blob/master/include/grpc/impl/codegen/compression_types.h)),
+valued by an integer corresponding to a value from the `grpc_compression_level`
+enum.
+
+## Per Call Settings
+
+### Compression **Level** in Call Responses
+
+The server requests a compression level via initial metadata. The
+`send_initial_metadata` `grpc_op` contains a `maybe_compression_level` field
+with two fields, `is_set` and `compression_level`. The former must be set when
+actively choosing a level to disambiguate the default value of zero (no
+compression) from the proactive selection of no compression.
+
+The core will receive the request for the compression level and automatically
+choose a compression algorithm based on its knowledge about the peer
+(communicated by the client via the `grpc-accept-encoding` header. Note that the
+absence of this header means no compression is supported by the client/peer).
+
+### Compression **Algorithm** in Call Responses
+
+**Server should avoid setting the compression algorithm directly**. Prefer
+setting compression levels unless there's a _very_ compelling reason to choose
+specific algorithms (benchmarking, testing).
+
+Selection of concrete compression algorithms is performed by adding a
+`(GRPC_COMPRESS_REQUEST_ALGORITHM_KEY, <algorithm-name>)` key-value pair to the
+initial metadata, where `GRPC_COMPRESS_REQUEST_ALGORITHM_KEY` is defined in
+[`grpc/impl/codegen/compression_types.h`](https://github.com/grpc/grpc/blob/master/include/grpc/impl/codegen/compression_types.h)),
+and `<algorithm-name>` is the human readable name of the algorithm as given in
+[the HTTP2 spec](https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md)
+for `Message-Encoding` (e.g. gzip, identity, etc.). See
+[`grpc_compression_algorithm_name`](https://github.com/grpc/grpc/blob/master/src/core/lib/compression/compression.c)
+for the mapping between the `grpc_compression_algorithm` enum values and their
+textual representation.
+
+## Per Message Settings
+
+To disable compression for a specific message, the `flags` field of `grpc_op`
+instances of type `GRPC_OP_SEND_MESSAGE` must have its `GRPC_WRITE_NO_COMPRESS`
+bit set. Refer to
+[`grpc/impl/codegen/compression_types.h`](https://github.com/grpc/grpc/blob/master/include/grpc/impl/codegen/compression_types.h)),
diff --git a/doc/images/compression_cookbook_incoming.png b/doc/images/compression_cookbook_incoming.png
new file mode 100644
index 0000000..84d6f55
--- /dev/null
+++ b/doc/images/compression_cookbook_incoming.png
Binary files differ
diff --git a/doc/images/compression_cookbook_outgoing.png b/doc/images/compression_cookbook_outgoing.png
new file mode 100644
index 0000000..59b995d
--- /dev/null
+++ b/doc/images/compression_cookbook_outgoing.png
Binary files differ
diff --git a/examples/csharp/helloworld/README.md b/examples/csharp/helloworld/README.md
index 63131ed..d13c9ac 100644
--- a/examples/csharp/helloworld/README.md
+++ b/examples/csharp/helloworld/README.md
@@ -5,23 +5,16 @@
 -------------
 For this sample, we've already generated the server and client stubs from [helloworld.proto][].
 
-Example projects depend on the [Grpc](https://www.nuget.org/packages/Grpc/)
+Example projects depend on the [Grpc](https://www.nuget.org/packages/Grpc/), [Grpc.Tools](https://www.nuget.org/packages/Grpc.Tools/)
 and [Google.Protobuf](https://www.nuget.org/packages/Google.Protobuf/) NuGet packages
 which have been already added to the project for you.
 
 PREREQUISITES
 -------------
-**Windows**
-- .NET 4.5+
-- Visual Studio 2013 or 2015
 
-**Linux**
-- Mono 4.0+
-- Monodevelop 5.9+ (with NuGet plugin installed)
-
-**Mac OS X**
-- Xamarin Studio 5.9+
-- [homebrew][]
+- Windows: .NET Framework 4.5+, Visual Studio 2013 or 2015
+- Linux: Mono 4+, MonoDevelop 5.9+ (with NuGet add-in installed)
+- Mac OS X: Xamarin Studio 5.9+
 
 BUILD
 -------
@@ -56,6 +49,5 @@
 
 You can find a more detailed tutorial in [gRPC Basics: C#][]
 
-[homebrew]:http://brew.sh
 [helloworld.proto]:../../protos/helloworld.proto
 [gRPC Basics: C#]:http://www.grpc.io/docs/tutorials/basic/csharp.html
diff --git a/gRPC.podspec b/gRPC.podspec
index e5556cc..fd58bd6 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -43,26 +43,703 @@
   s.license  = 'New BSD'
   s.authors  = { 'The gRPC contributors' => 'grpc-packages@google.com' }
 
-  s.source = {
-    :git => 'https://github.com/grpc/grpc.git',
-    :tag => "release-#{version.gsub(/\./, '_')}-objectivec-#{version}",
-  }
+  s.source = { :git => 'https://github.com/grpc/grpc.git',
+               :tag => "release-#{version.gsub(/\./, '_')}-objectivec-#{version}",
+               :submodules => true }
+
 
   s.ios.deployment_target = '7.1'
   s.osx.deployment_target = '10.9'
+  s.requires_arc = true
 
-  name = 'GRPCClient'
-  s.module_name = name
-  s.header_dir = name
+  objc_dir = 'src/objective-c'
 
-  src_dir = 'src/objective-c/GRPCClient'
-  s.source_files = "#{src_dir}/*.{h,m}", "#{src_dir}/**/*.{h,m}"
-  s.private_header_files = "#{src_dir}/private/*.h"
-  s.header_mappings_dir = "#{src_dir}"
+  # Reactive Extensions library for iOS.
+  s.subspec 'RxLibrary' do |ss|
+    src_dir = "#{objc_dir}/RxLibrary"
+    ss.source_files = "#{src_dir}/*.{h,m}", "#{src_dir}/**/*.{h,m}"
+    ss.private_header_files = "#{src_dir}/private/*.h"
+    ss.header_mappings_dir = "#{objc_dir}"
+  end
 
-  s.dependency 'gRPC-Core', version
-  s.dependency 'gRPC-RxLibrary', version
+  # Core cross-platform gRPC library, written in C.
+  s.subspec 'C-Core' do |ss|
+    ss.source_files = 'src/core/lib/profiling/timers.h',
+                      'src/core/lib/support/backoff.h',
+                      'src/core/lib/support/block_annotate.h',
+                      'src/core/lib/support/env.h',
+                      'src/core/lib/support/murmur_hash.h',
+                      'src/core/lib/support/stack_lockfree.h',
+                      'src/core/lib/support/string.h',
+                      'src/core/lib/support/string_windows.h',
+                      'src/core/lib/support/thd_internal.h',
+                      'src/core/lib/support/time_precise.h',
+                      'src/core/lib/support/tmpfile.h',
+                      'include/grpc/support/alloc.h',
+                      'include/grpc/support/atm.h',
+                      'include/grpc/support/atm_gcc_atomic.h',
+                      'include/grpc/support/atm_gcc_sync.h',
+                      'include/grpc/support/atm_windows.h',
+                      'include/grpc/support/avl.h',
+                      'include/grpc/support/cmdline.h',
+                      'include/grpc/support/cpu.h',
+                      'include/grpc/support/histogram.h',
+                      'include/grpc/support/host_port.h',
+                      'include/grpc/support/log.h',
+                      'include/grpc/support/log_windows.h',
+                      'include/grpc/support/port_platform.h',
+                      'include/grpc/support/slice.h',
+                      'include/grpc/support/slice_buffer.h',
+                      'include/grpc/support/string_util.h',
+                      'include/grpc/support/subprocess.h',
+                      'include/grpc/support/sync.h',
+                      'include/grpc/support/sync_generic.h',
+                      'include/grpc/support/sync_posix.h',
+                      'include/grpc/support/sync_windows.h',
+                      'include/grpc/support/thd.h',
+                      'include/grpc/support/time.h',
+                      'include/grpc/support/tls.h',
+                      'include/grpc/support/tls_gcc.h',
+                      'include/grpc/support/tls_msvc.h',
+                      'include/grpc/support/tls_pthread.h',
+                      'include/grpc/support/useful.h',
+                      'include/grpc/impl/codegen/alloc.h',
+                      'include/grpc/impl/codegen/atm.h',
+                      'include/grpc/impl/codegen/atm_gcc_atomic.h',
+                      'include/grpc/impl/codegen/atm_gcc_sync.h',
+                      'include/grpc/impl/codegen/atm_windows.h',
+                      'include/grpc/impl/codegen/log.h',
+                      'include/grpc/impl/codegen/port_platform.h',
+                      'include/grpc/impl/codegen/slice.h',
+                      'include/grpc/impl/codegen/slice_buffer.h',
+                      'include/grpc/impl/codegen/sync.h',
+                      'include/grpc/impl/codegen/sync_generic.h',
+                      'include/grpc/impl/codegen/sync_posix.h',
+                      'include/grpc/impl/codegen/sync_windows.h',
+                      'include/grpc/impl/codegen/time.h',
+                      'src/core/lib/profiling/basic_timers.c',
+                      'src/core/lib/profiling/stap_timers.c',
+                      'src/core/lib/support/alloc.c',
+                      'src/core/lib/support/avl.c',
+                      'src/core/lib/support/backoff.c',
+                      'src/core/lib/support/cmdline.c',
+                      'src/core/lib/support/cpu_iphone.c',
+                      'src/core/lib/support/cpu_linux.c',
+                      'src/core/lib/support/cpu_posix.c',
+                      'src/core/lib/support/cpu_windows.c',
+                      'src/core/lib/support/env_linux.c',
+                      'src/core/lib/support/env_posix.c',
+                      'src/core/lib/support/env_windows.c',
+                      'src/core/lib/support/histogram.c',
+                      'src/core/lib/support/host_port.c',
+                      'src/core/lib/support/log.c',
+                      'src/core/lib/support/log_android.c',
+                      'src/core/lib/support/log_linux.c',
+                      'src/core/lib/support/log_posix.c',
+                      'src/core/lib/support/log_windows.c',
+                      'src/core/lib/support/murmur_hash.c',
+                      'src/core/lib/support/slice.c',
+                      'src/core/lib/support/slice_buffer.c',
+                      'src/core/lib/support/stack_lockfree.c',
+                      'src/core/lib/support/string.c',
+                      'src/core/lib/support/string_posix.c',
+                      'src/core/lib/support/string_util_windows.c',
+                      'src/core/lib/support/string_windows.c',
+                      'src/core/lib/support/subprocess_posix.c',
+                      'src/core/lib/support/subprocess_windows.c',
+                      'src/core/lib/support/sync.c',
+                      'src/core/lib/support/sync_posix.c',
+                      'src/core/lib/support/sync_windows.c',
+                      'src/core/lib/support/thd.c',
+                      'src/core/lib/support/thd_posix.c',
+                      'src/core/lib/support/thd_windows.c',
+                      'src/core/lib/support/time.c',
+                      'src/core/lib/support/time_posix.c',
+                      'src/core/lib/support/time_precise.c',
+                      'src/core/lib/support/time_windows.c',
+                      'src/core/lib/support/tls_pthread.c',
+                      'src/core/lib/support/tmpfile_msys.c',
+                      'src/core/lib/support/tmpfile_posix.c',
+                      'src/core/lib/support/tmpfile_windows.c',
+                      'src/core/lib/support/wrap_memcpy.c',
+                      'src/core/lib/channel/channel_args.h',
+                      'src/core/lib/channel/channel_stack.h',
+                      'src/core/lib/channel/channel_stack_builder.h',
+                      'src/core/lib/channel/compress_filter.h',
+                      'src/core/lib/channel/connected_channel.h',
+                      'src/core/lib/channel/context.h',
+                      'src/core/lib/channel/http_client_filter.h',
+                      'src/core/lib/channel/http_server_filter.h',
+                      'src/core/lib/compression/algorithm_metadata.h',
+                      'src/core/lib/compression/message_compress.h',
+                      'src/core/lib/debug/trace.h',
+                      'src/core/lib/http/format_request.h',
+                      'src/core/lib/http/httpcli.h',
+                      'src/core/lib/http/parser.h',
+                      'src/core/lib/iomgr/closure.h',
+                      'src/core/lib/iomgr/endpoint.h',
+                      'src/core/lib/iomgr/endpoint_pair.h',
+                      'src/core/lib/iomgr/error.h',
+                      'src/core/lib/iomgr/ev_epoll_linux.h',
+                      'src/core/lib/iomgr/ev_poll_and_epoll_posix.h',
+                      'src/core/lib/iomgr/ev_poll_posix.h',
+                      'src/core/lib/iomgr/ev_posix.h',
+                      'src/core/lib/iomgr/exec_ctx.h',
+                      'src/core/lib/iomgr/executor.h',
+                      'src/core/lib/iomgr/iocp_windows.h',
+                      'src/core/lib/iomgr/iomgr.h',
+                      'src/core/lib/iomgr/iomgr_internal.h',
+                      'src/core/lib/iomgr/iomgr_posix.h',
+                      'src/core/lib/iomgr/load_file.h',
+                      'src/core/lib/iomgr/network_status_tracker.h',
+                      'src/core/lib/iomgr/polling_entity.h',
+                      'src/core/lib/iomgr/pollset.h',
+                      'src/core/lib/iomgr/pollset_set.h',
+                      'src/core/lib/iomgr/pollset_set_windows.h',
+                      'src/core/lib/iomgr/pollset_windows.h',
+                      'src/core/lib/iomgr/resolve_address.h',
+                      'src/core/lib/iomgr/sockaddr.h',
+                      'src/core/lib/iomgr/sockaddr_posix.h',
+                      'src/core/lib/iomgr/sockaddr_utils.h',
+                      'src/core/lib/iomgr/sockaddr_windows.h',
+                      'src/core/lib/iomgr/socket_utils_posix.h',
+                      'src/core/lib/iomgr/socket_windows.h',
+                      'src/core/lib/iomgr/tcp_client.h',
+                      'src/core/lib/iomgr/tcp_posix.h',
+                      'src/core/lib/iomgr/tcp_server.h',
+                      'src/core/lib/iomgr/tcp_windows.h',
+                      'src/core/lib/iomgr/time_averaged_stats.h',
+                      'src/core/lib/iomgr/timer.h',
+                      'src/core/lib/iomgr/timer_heap.h',
+                      'src/core/lib/iomgr/udp_server.h',
+                      'src/core/lib/iomgr/unix_sockets_posix.h',
+                      'src/core/lib/iomgr/wakeup_fd_pipe.h',
+                      'src/core/lib/iomgr/wakeup_fd_posix.h',
+                      'src/core/lib/iomgr/workqueue.h',
+                      'src/core/lib/iomgr/workqueue_posix.h',
+                      'src/core/lib/iomgr/workqueue_windows.h',
+                      'src/core/lib/json/json.h',
+                      'src/core/lib/json/json_common.h',
+                      'src/core/lib/json/json_reader.h',
+                      'src/core/lib/json/json_writer.h',
+                      'src/core/lib/surface/api_trace.h',
+                      'src/core/lib/surface/call.h',
+                      'src/core/lib/surface/call_test_only.h',
+                      'src/core/lib/surface/channel.h',
+                      'src/core/lib/surface/channel_init.h',
+                      'src/core/lib/surface/channel_stack_type.h',
+                      'src/core/lib/surface/completion_queue.h',
+                      'src/core/lib/surface/event_string.h',
+                      'src/core/lib/surface/init.h',
+                      'src/core/lib/surface/lame_client.h',
+                      'src/core/lib/surface/server.h',
+                      'src/core/lib/transport/byte_stream.h',
+                      'src/core/lib/transport/connectivity_state.h',
+                      'src/core/lib/transport/metadata.h',
+                      'src/core/lib/transport/metadata_batch.h',
+                      'src/core/lib/transport/static_metadata.h',
+                      'src/core/lib/transport/transport.h',
+                      'src/core/lib/transport/transport_impl.h',
+                      'src/core/ext/transport/chttp2/transport/bin_decoder.h',
+                      'src/core/ext/transport/chttp2/transport/bin_encoder.h',
+                      'src/core/ext/transport/chttp2/transport/chttp2_transport.h',
+                      'src/core/ext/transport/chttp2/transport/frame.h',
+                      'src/core/ext/transport/chttp2/transport/frame_data.h',
+                      'src/core/ext/transport/chttp2/transport/frame_goaway.h',
+                      'src/core/ext/transport/chttp2/transport/frame_ping.h',
+                      'src/core/ext/transport/chttp2/transport/frame_rst_stream.h',
+                      'src/core/ext/transport/chttp2/transport/frame_settings.h',
+                      'src/core/ext/transport/chttp2/transport/frame_window_update.h',
+                      'src/core/ext/transport/chttp2/transport/hpack_encoder.h',
+                      'src/core/ext/transport/chttp2/transport/hpack_parser.h',
+                      'src/core/ext/transport/chttp2/transport/hpack_table.h',
+                      'src/core/ext/transport/chttp2/transport/http2_errors.h',
+                      'src/core/ext/transport/chttp2/transport/huffsyms.h',
+                      'src/core/ext/transport/chttp2/transport/incoming_metadata.h',
+                      'src/core/ext/transport/chttp2/transport/internal.h',
+                      'src/core/ext/transport/chttp2/transport/status_conversion.h',
+                      'src/core/ext/transport/chttp2/transport/stream_map.h',
+                      'src/core/ext/transport/chttp2/transport/timeout_encoding.h',
+                      'src/core/ext/transport/chttp2/transport/varint.h',
+                      'src/core/ext/transport/chttp2/alpn/alpn.h',
+                      'src/core/lib/security/context/security_context.h',
+                      'src/core/lib/security/credentials/composite/composite_credentials.h',
+                      'src/core/lib/security/credentials/credentials.h',
+                      'src/core/lib/security/credentials/fake/fake_credentials.h',
+                      'src/core/lib/security/credentials/google_default/google_default_credentials.h',
+                      'src/core/lib/security/credentials/iam/iam_credentials.h',
+                      'src/core/lib/security/credentials/jwt/json_token.h',
+                      'src/core/lib/security/credentials/jwt/jwt_credentials.h',
+                      'src/core/lib/security/credentials/jwt/jwt_verifier.h',
+                      'src/core/lib/security/credentials/oauth2/oauth2_credentials.h',
+                      'src/core/lib/security/credentials/plugin/plugin_credentials.h',
+                      'src/core/lib/security/credentials/ssl/ssl_credentials.h',
+                      'src/core/lib/security/transport/auth_filters.h',
+                      'src/core/lib/security/transport/handshake.h',
+                      'src/core/lib/security/transport/secure_endpoint.h',
+                      'src/core/lib/security/transport/security_connector.h',
+                      'src/core/lib/security/transport/tsi_error.h',
+                      'src/core/lib/security/util/b64.h',
+                      'src/core/lib/security/util/json_util.h',
+                      'src/core/lib/tsi/fake_transport_security.h',
+                      'src/core/lib/tsi/ssl_transport_security.h',
+                      'src/core/lib/tsi/ssl_types.h',
+                      'src/core/lib/tsi/transport_security.h',
+                      'src/core/lib/tsi/transport_security_interface.h',
+                      'src/core/ext/client_config/client_channel.h',
+                      'src/core/ext/client_config/client_channel_factory.h',
+                      'src/core/ext/client_config/client_config.h',
+                      'src/core/ext/client_config/connector.h',
+                      'src/core/ext/client_config/initial_connect_string.h',
+                      'src/core/ext/client_config/lb_policy.h',
+                      'src/core/ext/client_config/lb_policy_factory.h',
+                      'src/core/ext/client_config/lb_policy_registry.h',
+                      'src/core/ext/client_config/parse_address.h',
+                      'src/core/ext/client_config/resolver.h',
+                      'src/core/ext/client_config/resolver_factory.h',
+                      'src/core/ext/client_config/resolver_registry.h',
+                      'src/core/ext/client_config/subchannel.h',
+                      'src/core/ext/client_config/subchannel_call_holder.h',
+                      'src/core/ext/client_config/subchannel_index.h',
+                      'src/core/ext/client_config/uri_parser.h',
+                      'src/core/ext/lb_policy/grpclb/load_balancer_api.h',
+                      'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h',
+                      'third_party/nanopb/pb.h',
+                      'third_party/nanopb/pb_common.h',
+                      'third_party/nanopb/pb_decode.h',
+                      'third_party/nanopb/pb_encode.h',
+                      'src/core/ext/load_reporting/load_reporting.h',
+                      'src/core/ext/load_reporting/load_reporting_filter.h',
+                      'src/core/ext/census/aggregation.h',
+                      'src/core/ext/census/census_interface.h',
+                      'src/core/ext/census/census_rpc_stats.h',
+                      'src/core/ext/census/gen/census.pb.h',
+                      'src/core/ext/census/grpc_filter.h',
+                      'src/core/ext/census/mlog.h',
+                      'src/core/ext/census/rpc_metric_id.h',
+                      'include/grpc/byte_buffer.h',
+                      'include/grpc/byte_buffer_reader.h',
+                      'include/grpc/compression.h',
+                      'include/grpc/grpc.h',
+                      'include/grpc/grpc_posix.h',
+                      'include/grpc/status.h',
+                      'include/grpc/impl/codegen/byte_buffer.h',
+                      'include/grpc/impl/codegen/byte_buffer_reader.h',
+                      'include/grpc/impl/codegen/compression_types.h',
+                      'include/grpc/impl/codegen/connectivity_state.h',
+                      'include/grpc/impl/codegen/grpc_types.h',
+                      'include/grpc/impl/codegen/propagation_bits.h',
+                      'include/grpc/impl/codegen/status.h',
+                      'include/grpc/impl/codegen/alloc.h',
+                      'include/grpc/impl/codegen/atm.h',
+                      'include/grpc/impl/codegen/atm_gcc_atomic.h',
+                      'include/grpc/impl/codegen/atm_gcc_sync.h',
+                      'include/grpc/impl/codegen/atm_windows.h',
+                      'include/grpc/impl/codegen/log.h',
+                      'include/grpc/impl/codegen/port_platform.h',
+                      'include/grpc/impl/codegen/slice.h',
+                      'include/grpc/impl/codegen/slice_buffer.h',
+                      'include/grpc/impl/codegen/sync.h',
+                      'include/grpc/impl/codegen/sync_generic.h',
+                      'include/grpc/impl/codegen/sync_posix.h',
+                      'include/grpc/impl/codegen/sync_windows.h',
+                      'include/grpc/impl/codegen/time.h',
+                      'include/grpc/grpc_security.h',
+                      'include/grpc/grpc_security_constants.h',
+                      'include/grpc/census.h',
+                      'src/core/lib/surface/init.c',
+                      'src/core/lib/channel/channel_args.c',
+                      'src/core/lib/channel/channel_stack.c',
+                      'src/core/lib/channel/channel_stack_builder.c',
+                      'src/core/lib/channel/compress_filter.c',
+                      'src/core/lib/channel/connected_channel.c',
+                      'src/core/lib/channel/http_client_filter.c',
+                      'src/core/lib/channel/http_server_filter.c',
+                      'src/core/lib/compression/compression.c',
+                      'src/core/lib/compression/message_compress.c',
+                      'src/core/lib/debug/trace.c',
+                      'src/core/lib/http/format_request.c',
+                      'src/core/lib/http/httpcli.c',
+                      'src/core/lib/http/parser.c',
+                      'src/core/lib/iomgr/closure.c',
+                      'src/core/lib/iomgr/endpoint.c',
+                      'src/core/lib/iomgr/endpoint_pair_posix.c',
+                      'src/core/lib/iomgr/endpoint_pair_windows.c',
+                      'src/core/lib/iomgr/error.c',
+                      'src/core/lib/iomgr/ev_epoll_linux.c',
+                      'src/core/lib/iomgr/ev_poll_and_epoll_posix.c',
+                      'src/core/lib/iomgr/ev_poll_posix.c',
+                      'src/core/lib/iomgr/ev_posix.c',
+                      'src/core/lib/iomgr/exec_ctx.c',
+                      'src/core/lib/iomgr/executor.c',
+                      'src/core/lib/iomgr/iocp_windows.c',
+                      'src/core/lib/iomgr/iomgr.c',
+                      'src/core/lib/iomgr/iomgr_posix.c',
+                      'src/core/lib/iomgr/iomgr_windows.c',
+                      'src/core/lib/iomgr/load_file.c',
+                      'src/core/lib/iomgr/network_status_tracker.c',
+                      'src/core/lib/iomgr/polling_entity.c',
+                      'src/core/lib/iomgr/pollset_set_windows.c',
+                      'src/core/lib/iomgr/pollset_windows.c',
+                      'src/core/lib/iomgr/resolve_address_posix.c',
+                      'src/core/lib/iomgr/resolve_address_windows.c',
+                      'src/core/lib/iomgr/sockaddr_utils.c',
+                      'src/core/lib/iomgr/socket_utils_common_posix.c',
+                      'src/core/lib/iomgr/socket_utils_linux.c',
+                      'src/core/lib/iomgr/socket_utils_posix.c',
+                      'src/core/lib/iomgr/socket_windows.c',
+                      'src/core/lib/iomgr/tcp_client_posix.c',
+                      'src/core/lib/iomgr/tcp_client_windows.c',
+                      'src/core/lib/iomgr/tcp_posix.c',
+                      'src/core/lib/iomgr/tcp_server_posix.c',
+                      'src/core/lib/iomgr/tcp_server_windows.c',
+                      'src/core/lib/iomgr/tcp_windows.c',
+                      'src/core/lib/iomgr/time_averaged_stats.c',
+                      'src/core/lib/iomgr/timer.c',
+                      'src/core/lib/iomgr/timer_heap.c',
+                      'src/core/lib/iomgr/udp_server.c',
+                      'src/core/lib/iomgr/unix_sockets_posix.c',
+                      'src/core/lib/iomgr/unix_sockets_posix_noop.c',
+                      'src/core/lib/iomgr/wakeup_fd_eventfd.c',
+                      'src/core/lib/iomgr/wakeup_fd_nospecial.c',
+                      'src/core/lib/iomgr/wakeup_fd_pipe.c',
+                      'src/core/lib/iomgr/wakeup_fd_posix.c',
+                      'src/core/lib/iomgr/workqueue_posix.c',
+                      'src/core/lib/iomgr/workqueue_windows.c',
+                      'src/core/lib/json/json.c',
+                      'src/core/lib/json/json_reader.c',
+                      'src/core/lib/json/json_string.c',
+                      'src/core/lib/json/json_writer.c',
+                      'src/core/lib/surface/alarm.c',
+                      'src/core/lib/surface/api_trace.c',
+                      'src/core/lib/surface/byte_buffer.c',
+                      'src/core/lib/surface/byte_buffer_reader.c',
+                      'src/core/lib/surface/call.c',
+                      'src/core/lib/surface/call_details.c',
+                      'src/core/lib/surface/call_log_batch.c',
+                      'src/core/lib/surface/channel.c',
+                      'src/core/lib/surface/channel_init.c',
+                      'src/core/lib/surface/channel_ping.c',
+                      'src/core/lib/surface/channel_stack_type.c',
+                      'src/core/lib/surface/completion_queue.c',
+                      'src/core/lib/surface/event_string.c',
+                      'src/core/lib/surface/lame_client.c',
+                      'src/core/lib/surface/metadata_array.c',
+                      'src/core/lib/surface/server.c',
+                      'src/core/lib/surface/validate_metadata.c',
+                      'src/core/lib/surface/version.c',
+                      'src/core/lib/transport/byte_stream.c',
+                      'src/core/lib/transport/connectivity_state.c',
+                      'src/core/lib/transport/metadata.c',
+                      'src/core/lib/transport/metadata_batch.c',
+                      'src/core/lib/transport/static_metadata.c',
+                      'src/core/lib/transport/transport.c',
+                      'src/core/lib/transport/transport_op_string.c',
+                      'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
+                      'src/core/ext/transport/chttp2/transport/bin_decoder.c',
+                      'src/core/ext/transport/chttp2/transport/bin_encoder.c',
+                      'src/core/ext/transport/chttp2/transport/chttp2_plugin.c',
+                      'src/core/ext/transport/chttp2/transport/chttp2_transport.c',
+                      'src/core/ext/transport/chttp2/transport/frame_data.c',
+                      'src/core/ext/transport/chttp2/transport/frame_goaway.c',
+                      'src/core/ext/transport/chttp2/transport/frame_ping.c',
+                      'src/core/ext/transport/chttp2/transport/frame_rst_stream.c',
+                      'src/core/ext/transport/chttp2/transport/frame_settings.c',
+                      'src/core/ext/transport/chttp2/transport/frame_window_update.c',
+                      'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
+                      'src/core/ext/transport/chttp2/transport/hpack_parser.c',
+                      'src/core/ext/transport/chttp2/transport/hpack_table.c',
+                      'src/core/ext/transport/chttp2/transport/huffsyms.c',
+                      'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
+                      'src/core/ext/transport/chttp2/transport/parsing.c',
+                      'src/core/ext/transport/chttp2/transport/status_conversion.c',
+                      'src/core/ext/transport/chttp2/transport/stream_lists.c',
+                      'src/core/ext/transport/chttp2/transport/stream_map.c',
+                      'src/core/ext/transport/chttp2/transport/timeout_encoding.c',
+                      'src/core/ext/transport/chttp2/transport/varint.c',
+                      'src/core/ext/transport/chttp2/transport/writing.c',
+                      'src/core/ext/transport/chttp2/alpn/alpn.c',
+                      'src/core/lib/http/httpcli_security_connector.c',
+                      'src/core/lib/security/context/security_context.c',
+                      'src/core/lib/security/credentials/composite/composite_credentials.c',
+                      'src/core/lib/security/credentials/credentials.c',
+                      'src/core/lib/security/credentials/credentials_metadata.c',
+                      'src/core/lib/security/credentials/fake/fake_credentials.c',
+                      'src/core/lib/security/credentials/google_default/credentials_posix.c',
+                      'src/core/lib/security/credentials/google_default/credentials_windows.c',
+                      'src/core/lib/security/credentials/google_default/google_default_credentials.c',
+                      'src/core/lib/security/credentials/iam/iam_credentials.c',
+                      'src/core/lib/security/credentials/jwt/json_token.c',
+                      'src/core/lib/security/credentials/jwt/jwt_credentials.c',
+                      'src/core/lib/security/credentials/jwt/jwt_verifier.c',
+                      'src/core/lib/security/credentials/oauth2/oauth2_credentials.c',
+                      'src/core/lib/security/credentials/plugin/plugin_credentials.c',
+                      'src/core/lib/security/credentials/ssl/ssl_credentials.c',
+                      'src/core/lib/security/transport/client_auth_filter.c',
+                      'src/core/lib/security/transport/handshake.c',
+                      'src/core/lib/security/transport/secure_endpoint.c',
+                      'src/core/lib/security/transport/security_connector.c',
+                      'src/core/lib/security/transport/server_auth_filter.c',
+                      'src/core/lib/security/transport/tsi_error.c',
+                      'src/core/lib/security/util/b64.c',
+                      'src/core/lib/security/util/json_util.c',
+                      'src/core/lib/surface/init_secure.c',
+                      'src/core/lib/tsi/fake_transport_security.c',
+                      'src/core/lib/tsi/ssl_transport_security.c',
+                      'src/core/lib/tsi/transport_security.c',
+                      'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
+                      'src/core/ext/client_config/channel_connectivity.c',
+                      'src/core/ext/client_config/client_channel.c',
+                      'src/core/ext/client_config/client_channel_factory.c',
+                      'src/core/ext/client_config/client_config.c',
+                      'src/core/ext/client_config/client_config_plugin.c',
+                      'src/core/ext/client_config/connector.c',
+                      'src/core/ext/client_config/default_initial_connect_string.c',
+                      'src/core/ext/client_config/initial_connect_string.c',
+                      'src/core/ext/client_config/lb_policy.c',
+                      'src/core/ext/client_config/lb_policy_factory.c',
+                      'src/core/ext/client_config/lb_policy_registry.c',
+                      'src/core/ext/client_config/parse_address.c',
+                      'src/core/ext/client_config/resolver.c',
+                      'src/core/ext/client_config/resolver_factory.c',
+                      'src/core/ext/client_config/resolver_registry.c',
+                      'src/core/ext/client_config/subchannel.c',
+                      'src/core/ext/client_config/subchannel_call_holder.c',
+                      'src/core/ext/client_config/subchannel_index.c',
+                      'src/core/ext/client_config/uri_parser.c',
+                      'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
+                      'src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c',
+                      'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
+                      'src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c',
+                      'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
+                      'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c',
+                      'third_party/nanopb/pb_common.c',
+                      'third_party/nanopb/pb_decode.c',
+                      'third_party/nanopb/pb_encode.c',
+                      'src/core/ext/lb_policy/pick_first/pick_first.c',
+                      'src/core/ext/lb_policy/round_robin/round_robin.c',
+                      'src/core/ext/resolver/dns/native/dns_resolver.c',
+                      'src/core/ext/resolver/sockaddr/sockaddr_resolver.c',
+                      'src/core/ext/load_reporting/load_reporting.c',
+                      'src/core/ext/load_reporting/load_reporting_filter.c',
+                      'src/core/ext/census/context.c',
+                      'src/core/ext/census/gen/census.pb.c',
+                      'src/core/ext/census/grpc_context.c',
+                      'src/core/ext/census/grpc_filter.c',
+                      'src/core/ext/census/grpc_plugin.c',
+                      'src/core/ext/census/initialize.c',
+                      'src/core/ext/census/mlog.c',
+                      'src/core/ext/census/operation.c',
+                      'src/core/ext/census/placeholders.c',
+                      'src/core/ext/census/tracing.c',
+                      'src/core/plugin_registry/grpc_plugin_registry.c'
 
-  # Certificates, to be able to establish TLS connections:
-  s.resource_bundles = { 'gRPCCertificates' => ['etc/roots.pem'] }
+    ss.private_header_files = 'src/core/lib/profiling/timers.h',
+                              'src/core/lib/support/backoff.h',
+                              'src/core/lib/support/block_annotate.h',
+                              'src/core/lib/support/env.h',
+                              'src/core/lib/support/murmur_hash.h',
+                              'src/core/lib/support/stack_lockfree.h',
+                              'src/core/lib/support/string.h',
+                              'src/core/lib/support/string_windows.h',
+                              'src/core/lib/support/thd_internal.h',
+                              'src/core/lib/support/time_precise.h',
+                              'src/core/lib/support/tmpfile.h',
+                              'src/core/lib/channel/channel_args.h',
+                              'src/core/lib/channel/channel_stack.h',
+                              'src/core/lib/channel/channel_stack_builder.h',
+                              'src/core/lib/channel/compress_filter.h',
+                              'src/core/lib/channel/connected_channel.h',
+                              'src/core/lib/channel/context.h',
+                              'src/core/lib/channel/http_client_filter.h',
+                              'src/core/lib/channel/http_server_filter.h',
+                              'src/core/lib/compression/algorithm_metadata.h',
+                              'src/core/lib/compression/message_compress.h',
+                              'src/core/lib/debug/trace.h',
+                              'src/core/lib/http/format_request.h',
+                              'src/core/lib/http/httpcli.h',
+                              'src/core/lib/http/parser.h',
+                              'src/core/lib/iomgr/closure.h',
+                              'src/core/lib/iomgr/endpoint.h',
+                              'src/core/lib/iomgr/endpoint_pair.h',
+                              'src/core/lib/iomgr/error.h',
+                              'src/core/lib/iomgr/ev_epoll_linux.h',
+                              'src/core/lib/iomgr/ev_poll_and_epoll_posix.h',
+                              'src/core/lib/iomgr/ev_poll_posix.h',
+                              'src/core/lib/iomgr/ev_posix.h',
+                              'src/core/lib/iomgr/exec_ctx.h',
+                              'src/core/lib/iomgr/executor.h',
+                              'src/core/lib/iomgr/iocp_windows.h',
+                              'src/core/lib/iomgr/iomgr.h',
+                              'src/core/lib/iomgr/iomgr_internal.h',
+                              'src/core/lib/iomgr/iomgr_posix.h',
+                              'src/core/lib/iomgr/load_file.h',
+                              'src/core/lib/iomgr/network_status_tracker.h',
+                              'src/core/lib/iomgr/polling_entity.h',
+                              'src/core/lib/iomgr/pollset.h',
+                              'src/core/lib/iomgr/pollset_set.h',
+                              'src/core/lib/iomgr/pollset_set_windows.h',
+                              'src/core/lib/iomgr/pollset_windows.h',
+                              'src/core/lib/iomgr/resolve_address.h',
+                              'src/core/lib/iomgr/sockaddr.h',
+                              'src/core/lib/iomgr/sockaddr_posix.h',
+                              'src/core/lib/iomgr/sockaddr_utils.h',
+                              'src/core/lib/iomgr/sockaddr_windows.h',
+                              'src/core/lib/iomgr/socket_utils_posix.h',
+                              'src/core/lib/iomgr/socket_windows.h',
+                              'src/core/lib/iomgr/tcp_client.h',
+                              'src/core/lib/iomgr/tcp_posix.h',
+                              'src/core/lib/iomgr/tcp_server.h',
+                              'src/core/lib/iomgr/tcp_windows.h',
+                              'src/core/lib/iomgr/time_averaged_stats.h',
+                              'src/core/lib/iomgr/timer.h',
+                              'src/core/lib/iomgr/timer_heap.h',
+                              'src/core/lib/iomgr/udp_server.h',
+                              'src/core/lib/iomgr/unix_sockets_posix.h',
+                              'src/core/lib/iomgr/wakeup_fd_pipe.h',
+                              'src/core/lib/iomgr/wakeup_fd_posix.h',
+                              'src/core/lib/iomgr/workqueue.h',
+                              'src/core/lib/iomgr/workqueue_posix.h',
+                              'src/core/lib/iomgr/workqueue_windows.h',
+                              'src/core/lib/json/json.h',
+                              'src/core/lib/json/json_common.h',
+                              'src/core/lib/json/json_reader.h',
+                              'src/core/lib/json/json_writer.h',
+                              'src/core/lib/surface/api_trace.h',
+                              'src/core/lib/surface/call.h',
+                              'src/core/lib/surface/call_test_only.h',
+                              'src/core/lib/surface/channel.h',
+                              'src/core/lib/surface/channel_init.h',
+                              'src/core/lib/surface/channel_stack_type.h',
+                              'src/core/lib/surface/completion_queue.h',
+                              'src/core/lib/surface/event_string.h',
+                              'src/core/lib/surface/init.h',
+                              'src/core/lib/surface/lame_client.h',
+                              'src/core/lib/surface/server.h',
+                              'src/core/lib/transport/byte_stream.h',
+                              'src/core/lib/transport/connectivity_state.h',
+                              'src/core/lib/transport/metadata.h',
+                              'src/core/lib/transport/metadata_batch.h',
+                              'src/core/lib/transport/static_metadata.h',
+                              'src/core/lib/transport/transport.h',
+                              'src/core/lib/transport/transport_impl.h',
+                              'src/core/ext/transport/chttp2/transport/bin_decoder.h',
+                              'src/core/ext/transport/chttp2/transport/bin_encoder.h',
+                              'src/core/ext/transport/chttp2/transport/chttp2_transport.h',
+                              'src/core/ext/transport/chttp2/transport/frame.h',
+                              'src/core/ext/transport/chttp2/transport/frame_data.h',
+                              'src/core/ext/transport/chttp2/transport/frame_goaway.h',
+                              'src/core/ext/transport/chttp2/transport/frame_ping.h',
+                              'src/core/ext/transport/chttp2/transport/frame_rst_stream.h',
+                              'src/core/ext/transport/chttp2/transport/frame_settings.h',
+                              'src/core/ext/transport/chttp2/transport/frame_window_update.h',
+                              'src/core/ext/transport/chttp2/transport/hpack_encoder.h',
+                              'src/core/ext/transport/chttp2/transport/hpack_parser.h',
+                              'src/core/ext/transport/chttp2/transport/hpack_table.h',
+                              'src/core/ext/transport/chttp2/transport/http2_errors.h',
+                              'src/core/ext/transport/chttp2/transport/huffsyms.h',
+                              'src/core/ext/transport/chttp2/transport/incoming_metadata.h',
+                              'src/core/ext/transport/chttp2/transport/internal.h',
+                              'src/core/ext/transport/chttp2/transport/status_conversion.h',
+                              'src/core/ext/transport/chttp2/transport/stream_map.h',
+                              'src/core/ext/transport/chttp2/transport/timeout_encoding.h',
+                              'src/core/ext/transport/chttp2/transport/varint.h',
+                              'src/core/ext/transport/chttp2/alpn/alpn.h',
+                              'src/core/lib/security/context/security_context.h',
+                              'src/core/lib/security/credentials/composite/composite_credentials.h',
+                              'src/core/lib/security/credentials/credentials.h',
+                              'src/core/lib/security/credentials/fake/fake_credentials.h',
+                              'src/core/lib/security/credentials/google_default/google_default_credentials.h',
+                              'src/core/lib/security/credentials/iam/iam_credentials.h',
+                              'src/core/lib/security/credentials/jwt/json_token.h',
+                              'src/core/lib/security/credentials/jwt/jwt_credentials.h',
+                              'src/core/lib/security/credentials/jwt/jwt_verifier.h',
+                              'src/core/lib/security/credentials/oauth2/oauth2_credentials.h',
+                              'src/core/lib/security/credentials/plugin/plugin_credentials.h',
+                              'src/core/lib/security/credentials/ssl/ssl_credentials.h',
+                              'src/core/lib/security/transport/auth_filters.h',
+                              'src/core/lib/security/transport/handshake.h',
+                              'src/core/lib/security/transport/secure_endpoint.h',
+                              'src/core/lib/security/transport/security_connector.h',
+                              'src/core/lib/security/transport/tsi_error.h',
+                              'src/core/lib/security/util/b64.h',
+                              'src/core/lib/security/util/json_util.h',
+                              'src/core/lib/tsi/fake_transport_security.h',
+                              'src/core/lib/tsi/ssl_transport_security.h',
+                              'src/core/lib/tsi/ssl_types.h',
+                              'src/core/lib/tsi/transport_security.h',
+                              'src/core/lib/tsi/transport_security_interface.h',
+                              'src/core/ext/client_config/client_channel.h',
+                              'src/core/ext/client_config/client_channel_factory.h',
+                              'src/core/ext/client_config/client_config.h',
+                              'src/core/ext/client_config/connector.h',
+                              'src/core/ext/client_config/initial_connect_string.h',
+                              'src/core/ext/client_config/lb_policy.h',
+                              'src/core/ext/client_config/lb_policy_factory.h',
+                              'src/core/ext/client_config/lb_policy_registry.h',
+                              'src/core/ext/client_config/parse_address.h',
+                              'src/core/ext/client_config/resolver.h',
+                              'src/core/ext/client_config/resolver_factory.h',
+                              'src/core/ext/client_config/resolver_registry.h',
+                              'src/core/ext/client_config/subchannel.h',
+                              'src/core/ext/client_config/subchannel_call_holder.h',
+                              'src/core/ext/client_config/subchannel_index.h',
+                              'src/core/ext/client_config/uri_parser.h',
+                              'src/core/ext/lb_policy/grpclb/load_balancer_api.h',
+                              'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h',
+                              'third_party/nanopb/pb.h',
+                              'third_party/nanopb/pb_common.h',
+                              'third_party/nanopb/pb_decode.h',
+                              'third_party/nanopb/pb_encode.h',
+                              'src/core/ext/load_reporting/load_reporting.h',
+                              'src/core/ext/load_reporting/load_reporting_filter.h',
+                              'src/core/ext/census/aggregation.h',
+                              'src/core/ext/census/census_interface.h',
+                              'src/core/ext/census/census_rpc_stats.h',
+                              'src/core/ext/census/gen/census.pb.h',
+                              'src/core/ext/census/grpc_filter.h',
+                              'src/core/ext/census/mlog.h',
+                              'src/core/ext/census/rpc_metric_id.h'
+
+    ss.header_mappings_dir = '.'
+    # This isn't officially supported in Cocoapods. We've asked for an alternative:
+    # https://github.com/CocoaPods/CocoaPods/issues/4386
+    ss.xcconfig = {
+      'USE_HEADERMAP' => 'NO',
+      'ALWAYS_SEARCH_USER_PATHS' => 'NO',
+      'USER_HEADER_SEARCH_PATHS' => '"$(PODS_ROOT)/Headers/Private/gRPC"',
+      'HEADER_SEARCH_PATHS' => '"$(PODS_ROOT)/Headers/Private/gRPC/include"'
+    }
+
+    ss.requires_arc = false
+    ss.libraries = 'z'
+    ss.dependency 'BoringSSL', '~> 3.0'
+
+    # ss.compiler_flags = '-GCC_WARN_INHIBIT_ALL_WARNINGS', '-w'
+  end
+
+  # Objective-C wrapper around the core gRPC library.
+  s.subspec 'GRPCClient' do |ss|
+    src_dir = "#{objc_dir}/GRPCClient"
+    ss.source_files = "#{src_dir}/*.{h,m}", "#{src_dir}/**/*.{h,m}"
+    ss.private_header_files = "#{src_dir}/private/*.h"
+    ss.header_mappings_dir = "#{objc_dir}"
+
+    ss.dependency 'gRPC/C-Core'
+    ss.dependency 'gRPC/RxLibrary'
+
+    # Certificates, to be able to establish TLS connections:
+    ss.resource_bundles = { 'gRPCCertificates' => ['etc/roots.pem'] }
+  end
+
+  # RPC library for ProtocolBuffers, based on gRPC
+  s.subspec 'ProtoRPC' do |ss|
+    src_dir = "#{objc_dir}/ProtoRPC"
+    ss.source_files = "#{src_dir}/*.{h,m}"
+    ss.header_mappings_dir = "#{objc_dir}"
+
+    ss.dependency 'gRPC/GRPCClient'
+    ss.dependency 'gRPC/RxLibrary'
+    ss.dependency 'Protobuf', '~> 3.0.0-alpha-4'
+  end
 end
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
index 38e782b..5aae753 100644
--- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
@@ -513,6 +513,7 @@
       &s->global.received_trailing_metadata);
   grpc_chttp2_data_parser_init(&s->parsing.data_parser);
   gpr_slice_buffer_init(&s->writing.flow_controlled_buffer);
+  s->global.deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
 
   REF_TRANSPORT(t, "stream");
 
@@ -988,6 +989,11 @@
     const size_t metadata_peer_limit =
         transport_global->settings[GRPC_PEER_SETTINGS]
                                   [GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE];
+    if (transport_global->is_client) {
+      stream_global->deadline =
+          gpr_time_min(stream_global->deadline,
+                       stream_global->send_initial_metadata->deadline);
+    }
     if (metadata_size > metadata_peer_limit) {
       cancel_from_api(
           exec_ctx, transport_global, stream_global,
@@ -1366,7 +1372,7 @@
   GRPC_ERROR_UNREF(error);
 }
 
-static void status_codes_from_error(grpc_error *error,
+static void status_codes_from_error(grpc_error *error, gpr_timespec deadline,
                                     grpc_chttp2_error_code *http2_error,
                                     grpc_status_code *grpc_status) {
   intptr_t ip_http;
@@ -1386,8 +1392,8 @@
   if (have_grpc) {
     *grpc_status = (grpc_status_code)ip_grpc;
   } else if (have_http) {
-    *grpc_status =
-        grpc_chttp2_http2_error_to_grpc_status((grpc_chttp2_error_code)ip_http);
+    *grpc_status = grpc_chttp2_http2_error_to_grpc_status(
+        (grpc_chttp2_error_code)ip_http, deadline);
   } else {
     *grpc_status = GRPC_STATUS_INTERNAL;
   }
@@ -1400,7 +1406,8 @@
   if (!stream_global->read_closed || !stream_global->write_closed) {
     grpc_status_code grpc_status;
     grpc_chttp2_error_code http_error;
-    status_codes_from_error(due_to_error, &http_error, &grpc_status);
+    status_codes_from_error(due_to_error, stream_global->deadline, &http_error,
+                            &grpc_status);
 
     if (stream_global->id != 0) {
       gpr_slice_buffer_add(
@@ -1536,7 +1543,8 @@
   uint32_t len = 0;
   grpc_status_code grpc_status;
   grpc_chttp2_error_code http_error;
-  status_codes_from_error(error, &http_error, &grpc_status);
+  status_codes_from_error(error, stream_global->deadline, &http_error,
+                          &grpc_status);
 
   GPR_ASSERT(grpc_status >= 0 && (int)grpc_status < 100);
 
diff --git a/src/core/ext/transport/chttp2/transport/internal.h b/src/core/ext/transport/chttp2/transport/internal.h
index b5180c6..8d79e93 100644
--- a/src/core/ext/transport/chttp2/transport/internal.h
+++ b/src/core/ext/transport/chttp2/transport/internal.h
@@ -447,6 +447,8 @@
   grpc_chttp2_incoming_metadata_buffer received_trailing_metadata;
 
   grpc_chttp2_incoming_frame_queue incoming_frames;
+
+  gpr_timespec deadline;
 } grpc_chttp2_stream_global;
 
 typedef struct {
diff --git a/src/core/ext/transport/chttp2/transport/parsing.c b/src/core/ext/transport/chttp2/transport/parsing.c
index 991d772..84eb575 100644
--- a/src/core/ext/transport/chttp2/transport/parsing.c
+++ b/src/core/ext/transport/chttp2/transport/parsing.c
@@ -236,9 +236,10 @@
                                            GRPC_ERROR_INT_HTTP2_ERROR, &reason);
       if (has_reason && reason != GRPC_CHTTP2_NO_ERROR) {
         grpc_status_code status_code =
-            has_reason ? grpc_chttp2_http2_error_to_grpc_status(
-                             (grpc_chttp2_error_code)reason)
-                       : GRPC_STATUS_INTERNAL;
+            has_reason
+                ? grpc_chttp2_http2_error_to_grpc_status(
+                      (grpc_chttp2_error_code)reason, stream_global->deadline)
+                : GRPC_STATUS_INTERNAL;
         const char *status_details =
             grpc_error_string(stream_parsing->forced_close_error);
         gpr_slice slice_details = gpr_slice_from_copied_string(status_details);
diff --git a/src/core/ext/transport/chttp2/transport/status_conversion.c b/src/core/ext/transport/chttp2/transport/status_conversion.c
index c42fb9b..5dce2f2 100644
--- a/src/core/ext/transport/chttp2/transport/status_conversion.c
+++ b/src/core/ext/transport/chttp2/transport/status_conversion.c
@@ -39,6 +39,8 @@
       return GRPC_CHTTP2_NO_ERROR;
     case GRPC_STATUS_CANCELLED:
       return GRPC_CHTTP2_CANCEL;
+    case GRPC_STATUS_DEADLINE_EXCEEDED:
+      return GRPC_CHTTP2_CANCEL;
     case GRPC_STATUS_RESOURCE_EXHAUSTED:
       return GRPC_CHTTP2_ENHANCE_YOUR_CALM;
     case GRPC_STATUS_PERMISSION_DENIED:
@@ -51,13 +53,17 @@
 }
 
 grpc_status_code grpc_chttp2_http2_error_to_grpc_status(
-    grpc_chttp2_error_code error) {
+    grpc_chttp2_error_code error, gpr_timespec deadline) {
   switch (error) {
     case GRPC_CHTTP2_NO_ERROR:
       /* should never be received */
       return GRPC_STATUS_INTERNAL;
     case GRPC_CHTTP2_CANCEL:
-      return GRPC_STATUS_CANCELLED;
+      /* http2 cancel translates to STATUS_CANCELLED iff deadline hasn't been
+       * exceeded */
+      return gpr_time_cmp(gpr_now(deadline.clock_type), deadline) >= 0
+                 ? GRPC_STATUS_DEADLINE_EXCEEDED
+                 : GRPC_STATUS_CANCELLED;
     case GRPC_CHTTP2_ENHANCE_YOUR_CALM:
       return GRPC_STATUS_RESOURCE_EXHAUSTED;
     case GRPC_CHTTP2_INADEQUATE_SECURITY:
diff --git a/src/core/ext/transport/chttp2/transport/status_conversion.h b/src/core/ext/transport/chttp2/transport/status_conversion.h
index e7285e6..953bc9f 100644
--- a/src/core/ext/transport/chttp2/transport/status_conversion.h
+++ b/src/core/ext/transport/chttp2/transport/status_conversion.h
@@ -41,7 +41,7 @@
 grpc_chttp2_error_code grpc_chttp2_grpc_status_to_http2_error(
     grpc_status_code status);
 grpc_status_code grpc_chttp2_http2_error_to_grpc_status(
-    grpc_chttp2_error_code error);
+    grpc_chttp2_error_code error, gpr_timespec deadline);
 
 /* Conversion of HTTP status codes (:status) to grpc status codes */
 grpc_status_code grpc_chttp2_http2_status_to_grpc_status(int status);
diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c
index e5668be..fc9df76 100644
--- a/src/core/lib/surface/call.c
+++ b/src/core/lib/surface/call.c
@@ -259,7 +259,8 @@
       call->metadata_batch[i][j].deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
     }
   }
-  call->send_deadline = send_deadline;
+  call->send_deadline =
+      gpr_convert_clock_type(send_deadline, GPR_CLOCK_MONOTONIC);
   GRPC_CHANNEL_INTERNAL_REF(channel, "call");
   /* initial refcount dropped by grpc_call_destroy */
   grpc_call_stack_init(&exec_ctx, channel_stack, 1, destroy_call, call,
diff --git a/src/csharp/README.md b/src/csharp/README.md
index 8639413..18d5945 100644
--- a/src/csharp/README.md
+++ b/src/csharp/README.md
@@ -23,9 +23,9 @@
 
 - Open Visual Studio / MonoDevelop / Xamarin Studio and start a new project/solution.
 
-- Add NuGet package `Grpc` as a dependency (Project options -> Manage NuGet Packages).
+- Add the [Grpc](https://www.nuget.org/packages/Grpc/) NuGet package as a dependency (Project options -> Manage NuGet Packages).
 
-- To be able to generate code from Protocol Buffer (`.proto`) file definitions, add NuGet package `Grpc.Tools` that contains Protocol Buffers compiler (_protoc_) and the gRPC _protoc_ plugin.
+- To be able to generate code from Protocol Buffer (`.proto`) file definitions, add the [Grpc.Tools](https://www.nuget.org/packages/Grpc.Tools/) NuGet package that contains Protocol Buffers compiler (_protoc_) and the gRPC _protoc_ plugin.
 
 BUILD FROM SOURCE
 -----------------
diff --git a/src/objective-c/BoringSSL.podspec b/src/objective-c/BoringSSL.podspec
index 26a0451..42b4434 100644
--- a/src/objective-c/BoringSSL.podspec
+++ b/src/objective-c/BoringSSL.podspec
@@ -109,8 +109,6 @@
   s.subspec 'Interface' do |ss|
     ss.header_mappings_dir = 'include/openssl'
     ss.source_files = 'include/openssl/*.h'
-    # Doesn't compile correctly; but doesn't seem to be needed:
-    ss.exclude_files = 'include/openssl/arm_arch.h'
   end
   s.subspec 'Implementation' do |ss|
     ss.header_mappings_dir = '.'
@@ -147,6 +145,11 @@
       #include "ssl.h"
       #include "crypto.h"
       #include "aes.h"
+      /* The following macros are defined by base.h. The latter is the first file included by the
+         other headers. */
+      #if defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64)
+      #  include "arm_arch.h"
+      #endif
       #include "asn1.h"
       #include "asn1_mac.h"
       #include "asn1t.h"
diff --git a/src/python/grpcio/grpc/__init__.py b/src/python/grpcio/grpc/__init__.py
index afd7db1..de18421 100644
--- a/src/python/grpcio/grpc/__init__.py
+++ b/src/python/grpcio/grpc/__init__.py
@@ -1219,9 +1219,9 @@
       to service RPCs.
     handlers: An optional sequence of GenericRpcHandlers to be used to service
       RPCs after the returned Server is started. These handlers need not be the
-      only handlers the returned Server will use to service RPCs; other
-      handlers may later be added to the returned Server by calling its
-      add_generic_rpc_handlers method any time before it is started.
+      only handlers the server will use to service RPCs; other handlers may
+      later be added by calling add_generic_rpc_handlers any time before the
+      returned Server is started.
 
   Returns:
     A Server with which RPCs can be serviced.
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/call.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/call.pyx.pxi
index 6570dcd..ba60986 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/call.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/call.pyx.pxi
@@ -105,8 +105,7 @@
 
   def __dealloc__(self):
     if self.c_call != NULL:
-      with nogil:
-        grpc_call_destroy(self.c_call)
+      grpc_call_destroy(self.c_call)
 
   # The object *should* always be valid from Python. Used for debugging.
   @property
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi
index 1406696..5416401 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi
@@ -102,5 +102,4 @@
 
   def __dealloc__(self):
     if self.c_channel != NULL:
-      with nogil:
-        grpc_channel_destroy(self.c_channel)
+      grpc_channel_destroy(self.c_channel)
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pyx.pxi
index 9026651..5955021 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pyx.pxi
@@ -118,18 +118,14 @@
 
   def __dealloc__(self):
     cdef gpr_timespec c_deadline
-    with nogil:
-      c_deadline = gpr_inf_future(GPR_CLOCK_REALTIME)
+    c_deadline = gpr_inf_future(GPR_CLOCK_REALTIME)
     if self.c_completion_queue != NULL:
       # Ensure shutdown
       if not self.is_shutting_down:
-        with nogil:
-          grpc_completion_queue_shutdown(self.c_completion_queue)
-      # Pump the queue
+        grpc_completion_queue_shutdown(self.c_completion_queue)
+      # Pump the queue (All outstanding calls should have been cancelled)
       while not self.is_shutdown:
-        with nogil:
-          event = grpc_completion_queue_next(
-              self.c_completion_queue, c_deadline, NULL)
+        event = grpc_completion_queue_next(
+            self.c_completion_queue, c_deadline, NULL)
         self._interpret_event(event)
-      with nogil:
-        grpc_completion_queue_destroy(self.c_completion_queue)
+      grpc_completion_queue_destroy(self.c_completion_queue)
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx.pxi
index b24e692..035ac49 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx.pxi
@@ -46,8 +46,7 @@
 
   def __dealloc__(self):
     if self.c_credentials != NULL:
-      with nogil:
-        grpc_channel_credentials_release(self.c_credentials)
+      grpc_channel_credentials_release(self.c_credentials)
 
 
 cdef class CallCredentials:
@@ -64,8 +63,7 @@
 
   def __dealloc__(self):
     if self.c_credentials != NULL:
-      with nogil:
-        grpc_call_credentials_release(self.c_credentials)
+      grpc_call_credentials_release(self.c_credentials)
 
 
 cdef class ServerCredentials:
@@ -76,8 +74,7 @@
 
   def __dealloc__(self):
     if self.c_credentials != NULL:
-      with nogil:
-        grpc_server_credentials_release(self.c_credentials)
+      grpc_server_credentials_release(self.c_credentials)
 
 
 cdef class CredentialsMetadataPlugin:
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/records.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/records.pyx.pxi
index b39b2f0..54b3d00 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/records.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/records.pyx.pxi
@@ -287,8 +287,7 @@
 
   def __dealloc__(self):
     if self.c_byte_buffer != NULL:
-      with nogil:
-        grpc_byte_buffer_destroy(self.c_byte_buffer)
+      grpc_byte_buffer_destroy(self.c_byte_buffer)
 
 
 cdef class SslPemKeyCertPair:
@@ -420,8 +419,7 @@
     # this frees the allocated memory for the grpc_metadata_array (although
     # it'd be nice if that were documented somewhere...)
     # TODO(atash): document this in the C core
-    with nogil:
-      grpc_metadata_array_destroy(&self.c_metadata_array)
+    grpc_metadata_array_destroy(&self.c_metadata_array)
 
   def __len__(self):
     return self.c_metadata_array.count
@@ -530,8 +528,7 @@
     # Python. The remaining one(s) are primitive fields filled in by GRPC core.
     # This means that we need to clean up after receive_status_on_client.
     if self.c_op.type == GRPC_OP_RECV_STATUS_ON_CLIENT:
-      with nogil:
-        gpr_free(self._received_status_details)
+      gpr_free(self._received_status_details)
 
 def operation_send_initial_metadata(Metadata metadata, int flags):
   cdef Operation op = Operation()
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi
index 3e03b6e..4f2d51b 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi
@@ -171,5 +171,4 @@
         # much but repeatedly release the GIL and wait
         while not self.is_shutdown:
           time.sleep(0)
-      with nogil:
-        grpc_server_destroy(self.c_server)
+      grpc_server_destroy(self.c_server)
diff --git a/templates/composer.json.template b/templates/composer.json.template
index 7d2029c..c9ffbbc 100644
--- a/templates/composer.json.template
+++ b/templates/composer.json.template
@@ -15,8 +15,10 @@
     ],
     "require": {
       "php": ">=5.5.0",
-      "datto/protobuf-php": "dev-master",
-      "google/auth": "v0.7"
+      "datto/protobuf-php": "dev-master"
+    },
+    "require-dev": {
+      "google/auth": "v0.9"
     },
     "autoload": {
       "psr-4": {
diff --git a/templates/gRPC.podspec.template b/templates/gRPC.podspec.template
new file mode 100644
index 0000000..979cb1e
--- /dev/null
+++ b/templates/gRPC.podspec.template
@@ -0,0 +1,130 @@
+%YAML 1.2
+--- |
+  # GRPC CocoaPods podspec
+  # This file has been automatically generated from a template file.
+  # Please look at the templates directory instead.
+  # This file can be regenerated from the template by running
+  # tools/buildgen/generate_projects.sh
+
+  # Copyright 2015, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+  <%!
+  def grpc_files(libs):
+    out = []
+    for lib in libs:
+      if lib.name in ("grpc", "gpr"):
+        out += lib.get('headers', [])
+        out += lib.get('public_headers', [])
+        out += lib.get('src', [])
+    return out;
+  
+  def grpc_private_headers(libs):
+    out = []
+    for lib in libs:
+      if lib.name in ("grpc", "gpr"):
+        out += lib.get('headers', [])
+    return out
+  %>
+  Pod::Spec.new do |s|
+    s.name     = 'gRPC'
+    version = '0.14.0'
+    s.version  = version
+    s.summary  = 'gRPC client library for iOS/OSX'
+    s.homepage = 'http://www.grpc.io'
+    s.license  = 'New BSD'
+    s.authors  = { 'The gRPC contributors' => 'grpc-packages@google.com' }
+
+    s.source = { :git => 'https://github.com/grpc/grpc.git',
+                 :tag => "release-#{version.gsub(/\./, '_')}-objectivec-#{version}",
+                 :submodules => true }
+
+  
+    s.ios.deployment_target = '7.1'
+    s.osx.deployment_target = '10.9'
+    s.requires_arc = true
+  
+    objc_dir = 'src/objective-c'
+
+    # Reactive Extensions library for iOS.
+    s.subspec 'RxLibrary' do |ss|
+      src_dir = "#{objc_dir}/RxLibrary"
+      ss.source_files = "#{src_dir}/*.{h,m}", "#{src_dir}/**/*.{h,m}"
+      ss.private_header_files = "#{src_dir}/private/*.h"
+      ss.header_mappings_dir = "#{objc_dir}"
+    end
+
+    # Core cross-platform gRPC library, written in C.
+    s.subspec 'C-Core' do |ss|
+      ss.source_files = ${(',\n' + 22*' ').join('\'%s\'' % f for f in grpc_files(libs))}
+
+      ss.private_header_files = ${(',\n' + 30*' ').join('\'%s\'' % f for f in grpc_private_headers(libs))}
+
+      ss.header_mappings_dir = '.'
+      # This isn't officially supported in Cocoapods. We've asked for an alternative:
+      # https://github.com/CocoaPods/CocoaPods/issues/4386
+      ss.xcconfig = {
+        'USE_HEADERMAP' => 'NO',
+        'ALWAYS_SEARCH_USER_PATHS' => 'NO',
+        'USER_HEADER_SEARCH_PATHS' => '"$(PODS_ROOT)/Headers/Private/gRPC"',
+        'HEADER_SEARCH_PATHS' => '"$(PODS_ROOT)/Headers/Private/gRPC/include"'
+      }
+
+      ss.requires_arc = false
+      ss.libraries = 'z'
+      ss.dependency 'BoringSSL', '~> 3.0'
+
+      # ss.compiler_flags = '-GCC_WARN_INHIBIT_ALL_WARNINGS', '-w'
+    end
+
+    # Objective-C wrapper around the core gRPC library.
+    s.subspec 'GRPCClient' do |ss|
+      src_dir = "#{objc_dir}/GRPCClient"
+      ss.source_files = "#{src_dir}/*.{h,m}", "#{src_dir}/**/*.{h,m}"
+      ss.private_header_files = "#{src_dir}/private/*.h"
+      ss.header_mappings_dir = "#{objc_dir}"
+
+      ss.dependency 'gRPC/C-Core'
+      ss.dependency 'gRPC/RxLibrary'
+
+      # Certificates, to be able to establish TLS connections:
+      ss.resource_bundles = { 'gRPCCertificates' => ['etc/roots.pem'] }
+    end
+
+    # RPC library for ProtocolBuffers, based on gRPC
+    s.subspec 'ProtoRPC' do |ss|
+      src_dir = "#{objc_dir}/ProtoRPC"
+      ss.source_files = "#{src_dir}/*.{h,m}"
+      ss.header_mappings_dir = "#{objc_dir}"
+
+      ss.dependency 'gRPC/GRPCClient'
+      ss.dependency 'gRPC/RxLibrary'
+      ss.dependency 'Protobuf', '~> 3.0.0-alpha-4'
+    end
+  end
diff --git a/test/core/transport/chttp2/status_conversion_test.c b/test/core/transport/chttp2/status_conversion_test.c
index e6fc785..f5a5cd1 100644
--- a/test/core/transport/chttp2/status_conversion_test.c
+++ b/test/core/transport/chttp2/status_conversion_test.c
@@ -37,8 +37,8 @@
 
 #define GRPC_STATUS_TO_HTTP2_ERROR(a, b) \
   GPR_ASSERT(grpc_chttp2_grpc_status_to_http2_error(a) == (b))
-#define HTTP2_ERROR_TO_GRPC_STATUS(a, b) \
-  GPR_ASSERT(grpc_chttp2_http2_error_to_grpc_status(a) == (b))
+#define HTTP2_ERROR_TO_GRPC_STATUS(a, deadline, b) \
+  GPR_ASSERT(grpc_chttp2_http2_error_to_grpc_status(a, deadline) == (b))
 #define GRPC_STATUS_TO_HTTP2_STATUS(a, b) \
   GPR_ASSERT(grpc_chttp2_grpc_status_to_http2_status(a) == (b))
 #define HTTP2_STATUS_TO_GRPC_STATUS(a, b) \
@@ -54,8 +54,7 @@
   GRPC_STATUS_TO_HTTP2_ERROR(GRPC_STATUS_UNKNOWN, GRPC_CHTTP2_INTERNAL_ERROR);
   GRPC_STATUS_TO_HTTP2_ERROR(GRPC_STATUS_INVALID_ARGUMENT,
                              GRPC_CHTTP2_INTERNAL_ERROR);
-  GRPC_STATUS_TO_HTTP2_ERROR(GRPC_STATUS_DEADLINE_EXCEEDED,
-                             GRPC_CHTTP2_INTERNAL_ERROR);
+  GRPC_STATUS_TO_HTTP2_ERROR(GRPC_STATUS_DEADLINE_EXCEEDED, GRPC_CHTTP2_CANCEL);
   GRPC_STATUS_TO_HTTP2_ERROR(GRPC_STATUS_NOT_FOUND, GRPC_CHTTP2_INTERNAL_ERROR);
   GRPC_STATUS_TO_HTTP2_ERROR(GRPC_STATUS_ALREADY_EXISTS,
                              GRPC_CHTTP2_INTERNAL_ERROR);
@@ -95,25 +94,60 @@
   GRPC_STATUS_TO_HTTP2_STATUS(GRPC_STATUS_UNAVAILABLE, 200);
   GRPC_STATUS_TO_HTTP2_STATUS(GRPC_STATUS_DATA_LOSS, 200);
 
-  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_NO_ERROR, GRPC_STATUS_INTERNAL);
-  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_PROTOCOL_ERROR, GRPC_STATUS_INTERNAL);
-  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_INTERNAL_ERROR, GRPC_STATUS_INTERNAL);
-  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_FLOW_CONTROL_ERROR,
+  const gpr_timespec before_deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_NO_ERROR, before_deadline,
                              GRPC_STATUS_INTERNAL);
-  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_SETTINGS_TIMEOUT,
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_PROTOCOL_ERROR, before_deadline,
                              GRPC_STATUS_INTERNAL);
-  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_STREAM_CLOSED, GRPC_STATUS_INTERNAL);
-  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_FRAME_SIZE_ERROR,
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_INTERNAL_ERROR, before_deadline,
                              GRPC_STATUS_INTERNAL);
-  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_REFUSED_STREAM,
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_FLOW_CONTROL_ERROR, before_deadline,
+                             GRPC_STATUS_INTERNAL);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_SETTINGS_TIMEOUT, before_deadline,
+                             GRPC_STATUS_INTERNAL);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_STREAM_CLOSED, before_deadline,
+                             GRPC_STATUS_INTERNAL);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_FRAME_SIZE_ERROR, before_deadline,
+                             GRPC_STATUS_INTERNAL);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_REFUSED_STREAM, before_deadline,
                              GRPC_STATUS_UNAVAILABLE);
-  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_CANCEL, GRPC_STATUS_CANCELLED);
-  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_COMPRESSION_ERROR,
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_CANCEL, before_deadline,
+                             GRPC_STATUS_CANCELLED);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_COMPRESSION_ERROR, before_deadline,
                              GRPC_STATUS_INTERNAL);
-  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_CONNECT_ERROR, GRPC_STATUS_INTERNAL);
-  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_ENHANCE_YOUR_CALM,
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_CONNECT_ERROR, before_deadline,
+                             GRPC_STATUS_INTERNAL);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_ENHANCE_YOUR_CALM, before_deadline,
                              GRPC_STATUS_RESOURCE_EXHAUSTED);
-  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_INADEQUATE_SECURITY,
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_INADEQUATE_SECURITY, before_deadline,
+                             GRPC_STATUS_PERMISSION_DENIED);
+
+  const gpr_timespec after_deadline = gpr_inf_past(GPR_CLOCK_MONOTONIC);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_NO_ERROR, after_deadline,
+                             GRPC_STATUS_INTERNAL);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_PROTOCOL_ERROR, after_deadline,
+                             GRPC_STATUS_INTERNAL);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_INTERNAL_ERROR, after_deadline,
+                             GRPC_STATUS_INTERNAL);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_FLOW_CONTROL_ERROR, after_deadline,
+                             GRPC_STATUS_INTERNAL);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_SETTINGS_TIMEOUT, after_deadline,
+                             GRPC_STATUS_INTERNAL);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_STREAM_CLOSED, after_deadline,
+                             GRPC_STATUS_INTERNAL);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_FRAME_SIZE_ERROR, after_deadline,
+                             GRPC_STATUS_INTERNAL);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_REFUSED_STREAM, after_deadline,
+                             GRPC_STATUS_UNAVAILABLE);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_CANCEL, after_deadline,
+                             GRPC_STATUS_DEADLINE_EXCEEDED);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_COMPRESSION_ERROR, after_deadline,
+                             GRPC_STATUS_INTERNAL);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_CONNECT_ERROR, after_deadline,
+                             GRPC_STATUS_INTERNAL);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_ENHANCE_YOUR_CALM, after_deadline,
+                             GRPC_STATUS_RESOURCE_EXHAUSTED);
+  HTTP2_ERROR_TO_GRPC_STATUS(GRPC_CHTTP2_INADEQUATE_SECURITY, after_deadline,
                              GRPC_STATUS_PERMISSION_DENIED);
 
   HTTP2_STATUS_TO_GRPC_STATUS(200, GRPC_STATUS_OK);
diff --git a/tools/distrib/python/grpcio_tools/setup.py b/tools/distrib/python/grpcio_tools/setup.py
index e025158..d804f34 100644
--- a/tools/distrib/python/grpcio_tools/setup.py
+++ b/tools/distrib/python/grpcio_tools/setup.py
@@ -134,7 +134,7 @@
   namespace_packages=['grpc'],
   install_requires=[
     'protobuf>=3.0.0a3',
-    'grpcio>=0.14.0',
+    'grpcio>=0.15.0',
   ],
   package_data=package_data(),
 )
diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index db6b36f..de7acd7 100644
--- a/tools/doxygen/Doxyfile.c++
+++ b/tools/doxygen/Doxyfile.c++
@@ -857,15 +857,7 @@
 include/grpc/impl/codegen/sync_generic.h \
 include/grpc/impl/codegen/sync_posix.h \
 include/grpc/impl/codegen/sync_windows.h \
-include/grpc/impl/codegen/time.h \
-include/grpc/byte_buffer.h \
-include/grpc/byte_buffer_reader.h \
-include/grpc/compression.h \
-include/grpc/grpc.h \
-include/grpc/grpc_posix.h \
-include/grpc/status.h \
-include/grpc/grpc_security.h \
-include/grpc/grpc_security_constants.h
+include/grpc/impl/codegen/time.h
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index 660e501..76bb3b6 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -858,14 +858,6 @@
 include/grpc/impl/codegen/sync_posix.h \
 include/grpc/impl/codegen/sync_windows.h \
 include/grpc/impl/codegen/time.h \
-include/grpc/byte_buffer.h \
-include/grpc/byte_buffer_reader.h \
-include/grpc/compression.h \
-include/grpc/grpc.h \
-include/grpc/grpc_posix.h \
-include/grpc/status.h \
-include/grpc/grpc_security.h \
-include/grpc/grpc_security_constants.h \
 include/grpc++/impl/codegen/core_codegen.h \
 src/cpp/client/secure_credentials.h \
 src/cpp/common/secure_auth_context.h \
@@ -873,109 +865,6 @@
 src/cpp/client/create_channel_internal.h \
 src/cpp/server/dynamic_thread_pool.h \
 src/cpp/server/thread_pool_interface.h \
-src/core/lib/channel/channel_args.h \
-src/core/lib/channel/channel_stack.h \
-src/core/lib/channel/channel_stack_builder.h \
-src/core/lib/channel/compress_filter.h \
-src/core/lib/channel/connected_channel.h \
-src/core/lib/channel/context.h \
-src/core/lib/channel/http_client_filter.h \
-src/core/lib/channel/http_server_filter.h \
-src/core/lib/compression/algorithm_metadata.h \
-src/core/lib/compression/message_compress.h \
-src/core/lib/debug/trace.h \
-src/core/lib/http/format_request.h \
-src/core/lib/http/httpcli.h \
-src/core/lib/http/parser.h \
-src/core/lib/iomgr/closure.h \
-src/core/lib/iomgr/endpoint.h \
-src/core/lib/iomgr/endpoint_pair.h \
-src/core/lib/iomgr/error.h \
-src/core/lib/iomgr/ev_epoll_linux.h \
-src/core/lib/iomgr/ev_poll_and_epoll_posix.h \
-src/core/lib/iomgr/ev_poll_posix.h \
-src/core/lib/iomgr/ev_posix.h \
-src/core/lib/iomgr/exec_ctx.h \
-src/core/lib/iomgr/executor.h \
-src/core/lib/iomgr/iocp_windows.h \
-src/core/lib/iomgr/iomgr.h \
-src/core/lib/iomgr/iomgr_internal.h \
-src/core/lib/iomgr/iomgr_posix.h \
-src/core/lib/iomgr/load_file.h \
-src/core/lib/iomgr/network_status_tracker.h \
-src/core/lib/iomgr/polling_entity.h \
-src/core/lib/iomgr/pollset.h \
-src/core/lib/iomgr/pollset_set.h \
-src/core/lib/iomgr/pollset_set_windows.h \
-src/core/lib/iomgr/pollset_windows.h \
-src/core/lib/iomgr/resolve_address.h \
-src/core/lib/iomgr/sockaddr.h \
-src/core/lib/iomgr/sockaddr_posix.h \
-src/core/lib/iomgr/sockaddr_utils.h \
-src/core/lib/iomgr/sockaddr_windows.h \
-src/core/lib/iomgr/socket_utils_posix.h \
-src/core/lib/iomgr/socket_windows.h \
-src/core/lib/iomgr/tcp_client.h \
-src/core/lib/iomgr/tcp_posix.h \
-src/core/lib/iomgr/tcp_server.h \
-src/core/lib/iomgr/tcp_windows.h \
-src/core/lib/iomgr/time_averaged_stats.h \
-src/core/lib/iomgr/timer.h \
-src/core/lib/iomgr/timer_heap.h \
-src/core/lib/iomgr/udp_server.h \
-src/core/lib/iomgr/unix_sockets_posix.h \
-src/core/lib/iomgr/wakeup_fd_pipe.h \
-src/core/lib/iomgr/wakeup_fd_posix.h \
-src/core/lib/iomgr/workqueue.h \
-src/core/lib/iomgr/workqueue_posix.h \
-src/core/lib/iomgr/workqueue_windows.h \
-src/core/lib/json/json.h \
-src/core/lib/json/json_common.h \
-src/core/lib/json/json_reader.h \
-src/core/lib/json/json_writer.h \
-src/core/lib/surface/api_trace.h \
-src/core/lib/surface/call.h \
-src/core/lib/surface/call_test_only.h \
-src/core/lib/surface/channel.h \
-src/core/lib/surface/channel_init.h \
-src/core/lib/surface/channel_stack_type.h \
-src/core/lib/surface/completion_queue.h \
-src/core/lib/surface/event_string.h \
-src/core/lib/surface/init.h \
-src/core/lib/surface/lame_client.h \
-src/core/lib/surface/server.h \
-src/core/lib/transport/byte_stream.h \
-src/core/lib/transport/connectivity_state.h \
-src/core/lib/transport/metadata.h \
-src/core/lib/transport/metadata_batch.h \
-src/core/lib/transport/static_metadata.h \
-src/core/lib/transport/transport.h \
-src/core/lib/transport/transport_impl.h \
-src/core/lib/security/context/security_context.h \
-src/core/lib/security/credentials/composite/composite_credentials.h \
-src/core/lib/security/credentials/credentials.h \
-src/core/lib/security/credentials/fake/fake_credentials.h \
-src/core/lib/security/credentials/google_default/google_default_credentials.h \
-src/core/lib/security/credentials/iam/iam_credentials.h \
-src/core/lib/security/credentials/jwt/json_token.h \
-src/core/lib/security/credentials/jwt/jwt_credentials.h \
-src/core/lib/security/credentials/jwt/jwt_verifier.h \
-src/core/lib/security/credentials/oauth2/oauth2_credentials.h \
-src/core/lib/security/credentials/plugin/plugin_credentials.h \
-src/core/lib/security/credentials/ssl/ssl_credentials.h \
-src/core/lib/security/transport/auth_filters.h \
-src/core/lib/security/transport/handshake.h \
-src/core/lib/security/transport/secure_endpoint.h \
-src/core/lib/security/transport/security_connector.h \
-src/core/lib/security/transport/tsi_error.h \
-src/core/lib/security/util/b64.h \
-src/core/lib/security/util/json_util.h \
-src/core/ext/transport/chttp2/alpn/alpn.h \
-src/core/lib/tsi/fake_transport_security.h \
-src/core/lib/tsi/ssl_transport_security.h \
-src/core/lib/tsi/ssl_types.h \
-src/core/lib/tsi/transport_security.h \
-src/core/lib/tsi/transport_security_interface.h \
 src/cpp/client/secure_credentials.cc \
 src/cpp/common/auth_property_iterator.cc \
 src/cpp/common/secure_auth_context.cc \
@@ -1008,122 +897,6 @@
 src/cpp/util/status.cc \
 src/cpp/util/string_ref.cc \
 src/cpp/util/time.cc \
-src/core/lib/channel/channel_args.c \
-src/core/lib/channel/channel_stack.c \
-src/core/lib/channel/channel_stack_builder.c \
-src/core/lib/channel/compress_filter.c \
-src/core/lib/channel/connected_channel.c \
-src/core/lib/channel/http_client_filter.c \
-src/core/lib/channel/http_server_filter.c \
-src/core/lib/compression/compression.c \
-src/core/lib/compression/message_compress.c \
-src/core/lib/debug/trace.c \
-src/core/lib/http/format_request.c \
-src/core/lib/http/httpcli.c \
-src/core/lib/http/parser.c \
-src/core/lib/iomgr/closure.c \
-src/core/lib/iomgr/endpoint.c \
-src/core/lib/iomgr/endpoint_pair_posix.c \
-src/core/lib/iomgr/endpoint_pair_windows.c \
-src/core/lib/iomgr/error.c \
-src/core/lib/iomgr/ev_epoll_linux.c \
-src/core/lib/iomgr/ev_poll_and_epoll_posix.c \
-src/core/lib/iomgr/ev_poll_posix.c \
-src/core/lib/iomgr/ev_posix.c \
-src/core/lib/iomgr/exec_ctx.c \
-src/core/lib/iomgr/executor.c \
-src/core/lib/iomgr/iocp_windows.c \
-src/core/lib/iomgr/iomgr.c \
-src/core/lib/iomgr/iomgr_posix.c \
-src/core/lib/iomgr/iomgr_windows.c \
-src/core/lib/iomgr/load_file.c \
-src/core/lib/iomgr/network_status_tracker.c \
-src/core/lib/iomgr/polling_entity.c \
-src/core/lib/iomgr/pollset_set_windows.c \
-src/core/lib/iomgr/pollset_windows.c \
-src/core/lib/iomgr/resolve_address_posix.c \
-src/core/lib/iomgr/resolve_address_windows.c \
-src/core/lib/iomgr/sockaddr_utils.c \
-src/core/lib/iomgr/socket_utils_common_posix.c \
-src/core/lib/iomgr/socket_utils_linux.c \
-src/core/lib/iomgr/socket_utils_posix.c \
-src/core/lib/iomgr/socket_windows.c \
-src/core/lib/iomgr/tcp_client_posix.c \
-src/core/lib/iomgr/tcp_client_windows.c \
-src/core/lib/iomgr/tcp_posix.c \
-src/core/lib/iomgr/tcp_server_posix.c \
-src/core/lib/iomgr/tcp_server_windows.c \
-src/core/lib/iomgr/tcp_windows.c \
-src/core/lib/iomgr/time_averaged_stats.c \
-src/core/lib/iomgr/timer.c \
-src/core/lib/iomgr/timer_heap.c \
-src/core/lib/iomgr/udp_server.c \
-src/core/lib/iomgr/unix_sockets_posix.c \
-src/core/lib/iomgr/unix_sockets_posix_noop.c \
-src/core/lib/iomgr/wakeup_fd_eventfd.c \
-src/core/lib/iomgr/wakeup_fd_nospecial.c \
-src/core/lib/iomgr/wakeup_fd_pipe.c \
-src/core/lib/iomgr/wakeup_fd_posix.c \
-src/core/lib/iomgr/workqueue_posix.c \
-src/core/lib/iomgr/workqueue_windows.c \
-src/core/lib/json/json.c \
-src/core/lib/json/json_reader.c \
-src/core/lib/json/json_string.c \
-src/core/lib/json/json_writer.c \
-src/core/lib/surface/alarm.c \
-src/core/lib/surface/api_trace.c \
-src/core/lib/surface/byte_buffer.c \
-src/core/lib/surface/byte_buffer_reader.c \
-src/core/lib/surface/call.c \
-src/core/lib/surface/call_details.c \
-src/core/lib/surface/call_log_batch.c \
-src/core/lib/surface/channel.c \
-src/core/lib/surface/channel_init.c \
-src/core/lib/surface/channel_ping.c \
-src/core/lib/surface/channel_stack_type.c \
-src/core/lib/surface/completion_queue.c \
-src/core/lib/surface/event_string.c \
-src/core/lib/surface/lame_client.c \
-src/core/lib/surface/metadata_array.c \
-src/core/lib/surface/server.c \
-src/core/lib/surface/validate_metadata.c \
-src/core/lib/surface/version.c \
-src/core/lib/transport/byte_stream.c \
-src/core/lib/transport/connectivity_state.c \
-src/core/lib/transport/metadata.c \
-src/core/lib/transport/metadata_batch.c \
-src/core/lib/transport/static_metadata.c \
-src/core/lib/transport/transport.c \
-src/core/lib/transport/transport_op_string.c \
-src/core/lib/http/httpcli_security_connector.c \
-src/core/lib/security/context/security_context.c \
-src/core/lib/security/credentials/composite/composite_credentials.c \
-src/core/lib/security/credentials/credentials.c \
-src/core/lib/security/credentials/credentials_metadata.c \
-src/core/lib/security/credentials/fake/fake_credentials.c \
-src/core/lib/security/credentials/google_default/credentials_posix.c \
-src/core/lib/security/credentials/google_default/credentials_windows.c \
-src/core/lib/security/credentials/google_default/google_default_credentials.c \
-src/core/lib/security/credentials/iam/iam_credentials.c \
-src/core/lib/security/credentials/jwt/json_token.c \
-src/core/lib/security/credentials/jwt/jwt_credentials.c \
-src/core/lib/security/credentials/jwt/jwt_verifier.c \
-src/core/lib/security/credentials/oauth2/oauth2_credentials.c \
-src/core/lib/security/credentials/plugin/plugin_credentials.c \
-src/core/lib/security/credentials/ssl/ssl_credentials.c \
-src/core/lib/security/transport/client_auth_filter.c \
-src/core/lib/security/transport/handshake.c \
-src/core/lib/security/transport/secure_endpoint.c \
-src/core/lib/security/transport/security_connector.c \
-src/core/lib/security/transport/server_auth_filter.c \
-src/core/lib/security/transport/tsi_error.c \
-src/core/lib/security/util/b64.c \
-src/core/lib/security/util/json_util.c \
-src/core/lib/surface/init_secure.c \
-src/core/ext/transport/chttp2/alpn/alpn.c \
-src/core/lib/tsi/fake_transport_security.c \
-src/core/lib/tsi/ssl_transport_security.c \
-src/core/lib/tsi/transport_security.c \
 src/cpp/codegen/codegen_init.cc
 
 # This tag can be used to specify the character encoding of the source files
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index b0e2069..f081887 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -1093,6 +1093,18 @@
         'http://localhost:%d/quitquitquit' % legacy_server_port).read()
 
 
+def _shut_down_legacy_server(legacy_server_port):
+  try:
+    version = int(urllib2.urlopen(
+        'http://localhost:%d/version_number' % legacy_server_port,
+        timeout=10).read())
+  except:
+    pass
+  else:
+    urllib2.urlopen(
+        'http://localhost:%d/quitquitquit' % legacy_server_port).read()
+
+
 def _start_port_server(port_server_port):
   # check if a compatible port server is running
   # if incompatible (version mismatch) ==> start a new one
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 3ebb445..cdbc254 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -4345,7 +4345,6 @@
   }, 
   {
     "deps": [
-      "gpr", 
       "grpc", 
       "grpc++_base", 
       "grpc++_codegen_base", 
@@ -4459,6 +4458,7 @@
   {
     "deps": [
       "gpr", 
+      "grpc", 
       "grpc++_base", 
       "grpc++_codegen_base", 
       "grpc++_codegen_base_src", 
@@ -6515,10 +6515,8 @@
   }, 
   {
     "deps": [
-      "gpr", 
-      "grpc++_codegen_base", 
-      "grpc_base", 
-      "grpc_secure"
+      "grpc", 
+      "grpc++_codegen_base"
     ], 
     "headers": [
       "include/grpc++/alarm.h", 
diff --git a/vsprojects/grpc.sln b/vsprojects/grpc.sln
index 8fccc64..8472091 100644
--- a/vsprojects/grpc.sln
+++ b/vsprojects/grpc.sln
@@ -49,7 +49,6 @@
 	EndProjectSection
 	ProjectSection(ProjectDependencies) = postProject
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
-		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc++_reflection", "vcxproj\.\grpc++_reflection\grpc++_reflection.vcxproj", "{5F575402-3F89-5D1A-6910-9DB8BF5D2BAB}"
@@ -67,6 +66,7 @@
 	ProjectSection(ProjectDependencies) = postProject
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_create_jwt", "vcxproj\.\grpc_create_jwt\grpc_create_jwt.vcxproj", "{77971F8D-F583-3E77-0E3C-6C1FB6B1749C}"
diff --git a/vsprojects/vcxproj/grpc++/grpc++.vcxproj b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
index a2711ca..cb9e41e 100644
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
@@ -356,14 +356,6 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_windows.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer_reader.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\compression.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_posix.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_security.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_security_constants.h" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen.h" />
@@ -373,109 +365,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\cpp\client\create_channel_internal.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\server\dynamic_thread_pool.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\server\thread_pool_interface.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\channel_args.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\channel_stack.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\channel_stack_builder.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\compress_filter.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\connected_channel.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\context.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\http_client_filter.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\http_server_filter.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\algorithm_metadata.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\http\format_request.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\http\httpcli.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\http\parser.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\closure.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\endpoint.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\endpoint_pair.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_and_epoll_posix.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\exec_ctx.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\executor.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iocp_windows.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_internal.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\polling_entity.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\pollset.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\pollset_set.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\pollset_set_windows.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\pollset_windows.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\resolve_address.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_posix.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_utils.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_windows.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_server.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_windows.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\time_averaged_stats.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\udp_server.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\unix_sockets_posix.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\wakeup_fd_pipe.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\wakeup_fd_posix.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\workqueue.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\workqueue_posix.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\workqueue_windows.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\json\json.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\json\json_common.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\json\json_reader.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\json\json_writer.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\api_trace.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\call.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\call_test_only.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\channel.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\channel_init.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\channel_stack_type.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\completion_queue.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\event_string.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\init.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\lame_client.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\server.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\byte_stream.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\connectivity_state.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\metadata.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\metadata_batch.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\static_metadata.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport_impl.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\context\security_context.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\credentials\composite\composite_credentials.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\credentials\credentials.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\credentials\fake\fake_credentials.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\credentials\google_default\google_default_credentials.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\credentials\iam\iam_credentials.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\credentials\jwt\json_token.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\credentials\jwt\jwt_credentials.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\credentials\jwt\jwt_verifier.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\credentials\oauth2\oauth2_credentials.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\credentials\plugin\plugin_credentials.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\credentials\ssl\ssl_credentials.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\transport\auth_filters.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\transport\handshake.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\transport\secure_endpoint.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\transport\security_connector.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\transport\tsi_error.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\util\b64.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\util\json_util.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\alpn\alpn.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\tsi\fake_transport_security.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\tsi\ssl_transport_security.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\tsi\ssl_types.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\tsi\transport_security.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\tsi\transport_security_interface.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\secure_credentials.cc">
@@ -542,238 +431,6 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\util\time.cc">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\channel\channel_args.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\channel\channel_stack.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\channel\channel_stack_builder.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\channel\compress_filter.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\channel\connected_channel.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\channel\http_client_filter.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\channel\http_server_filter.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\compression\compression.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\http\format_request.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\http\httpcli.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\http\parser.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\closure.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\endpoint.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\endpoint_pair_posix.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\endpoint_pair_windows.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_and_epoll_posix.c">
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\exec_ctx.c">
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iocp_windows.c">
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.c">
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.c">
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\resolve_address_windows.c">
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_common_posix.c">
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_linux.c">
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\unix_sockets_posix.c">
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\workqueue_posix.c">
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\workqueue_windows.c">
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\json\json.c">
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\byte_buffer_reader.c">
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diff --git a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters b/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
index f478ac9..a905118 100644
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
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diff --git a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
index 84e7096..03be485 100644
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
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diff --git a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
index 1e54e15..ba99bc5 100644
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
@@ -82,354 +82,6 @@
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@@ -729,30 +381,6 @@
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