diff --git a/src/core/lib/transport/static_metadata.c b/src/core/lib/transport/static_metadata.c
index c13ba23..599d4ad 100644
--- a/src/core/lib/transport/static_metadata.c
+++ b/src/core/lib/transport/static_metadata.c
@@ -51,67 +51,69 @@
     115, 103, 114, 112, 99,  45,  112, 97,  121, 108, 111, 97,  100, 45,  98,
     105, 110, 103, 114, 112, 99,  45,  101, 110, 99,  111, 100, 105, 110, 103,
     103, 114, 112, 99,  45,  97,  99,  99,  101, 112, 116, 45,  101, 110, 99,
-    111, 100, 105, 110, 103, 99,  111, 110, 116, 101, 110, 116, 45,  116, 121,
-    112, 101, 103, 114, 112, 99,  45,  105, 110, 116, 101, 114, 110, 97,  108,
-    45,  101, 110, 99,  111, 100, 105, 110, 103, 45,  114, 101, 113, 117, 101,
-    115, 116, 117, 115, 101, 114, 45,  97,  103, 101, 110, 116, 104, 111, 115,
-    116, 108, 98,  45,  116, 111, 107, 101, 110, 103, 114, 112, 99,  45,  116,
-    105, 109, 101, 111, 117, 116, 103, 114, 112, 99,  45,  116, 114, 97,  99,
-    105, 110, 103, 45,  98,  105, 110, 103, 114, 112, 99,  45,  115, 116, 97,
-    116, 115, 45,  98,  105, 110, 103, 114, 112, 99,  46,  119, 97,  105, 116,
-    95,  102, 111, 114, 95,  114, 101, 97,  100, 121, 103, 114, 112, 99,  46,
-    116, 105, 109, 101, 111, 117, 116, 103, 114, 112, 99,  46,  109, 97,  120,
-    95,  114, 101, 113, 117, 101, 115, 116, 95,  109, 101, 115, 115, 97,  103,
-    101, 95,  98,  121, 116, 101, 115, 103, 114, 112, 99,  46,  109, 97,  120,
-    95,  114, 101, 115, 112, 111, 110, 115, 101, 95,  109, 101, 115, 115, 97,
-    103, 101, 95,  98,  121, 116, 101, 115, 47,  103, 114, 112, 99,  46,  108,
-    98,  46,  118, 49,  46,  76,  111, 97,  100, 66,  97,  108, 97,  110, 99,
-    101, 114, 47,  66,  97,  108, 97,  110, 99,  101, 76,  111, 97,  100, 48,
-    49,  50,  105, 100, 101, 110, 116, 105, 116, 121, 103, 122, 105, 112, 100,
-    101, 102, 108, 97,  116, 101, 116, 114, 97,  105, 108, 101, 114, 115, 97,
-    112, 112, 108, 105, 99,  97,  116, 105, 111, 110, 47,  103, 114, 112, 99,
-    80,  79,  83,  84,  50,  48,  48,  52,  48,  52,  104, 116, 116, 112, 104,
-    116, 116, 112, 115, 103, 114, 112, 99,  71,  69,  84,  80,  85,  84,  47,
-    47,  105, 110, 100, 101, 120, 46,  104, 116, 109, 108, 50,  48,  52,  50,
-    48,  54,  51,  48,  52,  52,  48,  48,  53,  48,  48,  97,  99,  99,  101,
-    112, 116, 45,  99,  104, 97,  114, 115, 101, 116, 97,  99,  99,  101, 112,
-    116, 45,  101, 110, 99,  111, 100, 105, 110, 103, 103, 122, 105, 112, 44,
-    32,  100, 101, 102, 108, 97,  116, 101, 97,  99,  99,  101, 112, 116, 45,
-    108, 97,  110, 103, 117, 97,  103, 101, 97,  99,  99,  101, 112, 116, 45,
-    114, 97,  110, 103, 101, 115, 97,  99,  99,  101, 112, 116, 97,  99,  99,
-    101, 115, 115, 45,  99,  111, 110, 116, 114, 111, 108, 45,  97,  108, 108,
-    111, 119, 45,  111, 114, 105, 103, 105, 110, 97,  103, 101, 97,  108, 108,
-    111, 119, 97,  117, 116, 104, 111, 114, 105, 122, 97,  116, 105, 111, 110,
-    99,  97,  99,  104, 101, 45,  99,  111, 110, 116, 114, 111, 108, 99,  111,
-    110, 116, 101, 110, 116, 45,  100, 105, 115, 112, 111, 115, 105, 116, 105,
-    111, 110, 99,  111, 110, 116, 101, 110, 116, 45,  101, 110, 99,  111, 100,
-    105, 110, 103, 99,  111, 110, 116, 101, 110, 116, 45,  108, 97,  110, 103,
-    117, 97,  103, 101, 99,  111, 110, 116, 101, 110, 116, 45,  108, 101, 110,
-    103, 116, 104, 99,  111, 110, 116, 101, 110, 116, 45,  108, 111, 99,  97,
-    116, 105, 111, 110, 99,  111, 110, 116, 101, 110, 116, 45,  114, 97,  110,
-    103, 101, 99,  111, 111, 107, 105, 101, 100, 97,  116, 101, 101, 116, 97,
-    103, 101, 120, 112, 101, 99,  116, 101, 120, 112, 105, 114, 101, 115, 102,
-    114, 111, 109, 105, 102, 45,  109, 97,  116, 99,  104, 105, 102, 45,  109,
-    111, 100, 105, 102, 105, 101, 100, 45,  115, 105, 110, 99,  101, 105, 102,
-    45,  110, 111, 110, 101, 45,  109, 97,  116, 99,  104, 105, 102, 45,  114,
-    97,  110, 103, 101, 105, 102, 45,  117, 110, 109, 111, 100, 105, 102, 105,
-    101, 100, 45,  115, 105, 110, 99,  101, 108, 97,  115, 116, 45,  109, 111,
-    100, 105, 102, 105, 101, 100, 108, 105, 110, 107, 108, 111, 99,  97,  116,
-    105, 111, 110, 109, 97,  120, 45,  102, 111, 114, 119, 97,  114, 100, 115,
-    112, 114, 111, 120, 121, 45,  97,  117, 116, 104, 101, 110, 116, 105, 99,
-    97,  116, 101, 112, 114, 111, 120, 121, 45,  97,  117, 116, 104, 111, 114,
-    105, 122, 97,  116, 105, 111, 110, 114, 97,  110, 103, 101, 114, 101, 102,
-    101, 114, 101, 114, 114, 101, 102, 114, 101, 115, 104, 114, 101, 116, 114,
-    121, 45,  97,  102, 116, 101, 114, 115, 101, 114, 118, 101, 114, 115, 101,
-    116, 45,  99,  111, 111, 107, 105, 101, 115, 116, 114, 105, 99,  116, 45,
-    116, 114, 97,  110, 115, 112, 111, 114, 116, 45,  115, 101, 99,  117, 114,
-    105, 116, 121, 116, 114, 97,  110, 115, 102, 101, 114, 45,  101, 110, 99,
-    111, 100, 105, 110, 103, 118, 97,  114, 121, 118, 105, 97,  119, 119, 119,
-    45,  97,  117, 116, 104, 101, 110, 116, 105, 99,  97,  116, 101, 105, 100,
-    101, 110, 116, 105, 116, 121, 44,  100, 101, 102, 108, 97,  116, 101, 105,
-    100, 101, 110, 116, 105, 116, 121, 44,  103, 122, 105, 112, 100, 101, 102,
-    108, 97,  116, 101, 44,  103, 122, 105, 112, 105, 100, 101, 110, 116, 105,
-    116, 121, 44,  100, 101, 102, 108, 97,  116, 101, 44,  103, 122, 105, 112};
+    111, 100, 105, 110, 103, 103, 114, 112, 99,  45,  115, 101, 114, 118, 101,
+    114, 45,  115, 116, 97,  116, 115, 45,  98,  105, 110, 103, 114, 112, 99,
+    45,  116, 97,  103, 115, 45,  98,  105, 110, 103, 114, 112, 99,  45,  116,
+    114, 97,  99,  101, 45,  98,  105, 110, 99,  111, 110, 116, 101, 110, 116,
+    45,  116, 121, 112, 101, 103, 114, 112, 99,  45,  105, 110, 116, 101, 114,
+    110, 97,  108, 45,  101, 110, 99,  111, 100, 105, 110, 103, 45,  114, 101,
+    113, 117, 101, 115, 116, 117, 115, 101, 114, 45,  97,  103, 101, 110, 116,
+    104, 111, 115, 116, 108, 98,  45,  116, 111, 107, 101, 110, 103, 114, 112,
+    99,  45,  116, 105, 109, 101, 111, 117, 116, 103, 114, 112, 99,  46,  119,
+    97,  105, 116, 95,  102, 111, 114, 95,  114, 101, 97,  100, 121, 103, 114,
+    112, 99,  46,  116, 105, 109, 101, 111, 117, 116, 103, 114, 112, 99,  46,
+    109, 97,  120, 95,  114, 101, 113, 117, 101, 115, 116, 95,  109, 101, 115,
+    115, 97,  103, 101, 95,  98,  121, 116, 101, 115, 103, 114, 112, 99,  46,
+    109, 97,  120, 95,  114, 101, 115, 112, 111, 110, 115, 101, 95,  109, 101,
+    115, 115, 97,  103, 101, 95,  98,  121, 116, 101, 115, 47,  103, 114, 112,
+    99,  46,  108, 98,  46,  118, 49,  46,  76,  111, 97,  100, 66,  97,  108,
+    97,  110, 99,  101, 114, 47,  66,  97,  108, 97,  110, 99,  101, 76,  111,
+    97,  100, 48,  49,  50,  105, 100, 101, 110, 116, 105, 116, 121, 103, 122,
+    105, 112, 100, 101, 102, 108, 97,  116, 101, 116, 114, 97,  105, 108, 101,
+    114, 115, 97,  112, 112, 108, 105, 99,  97,  116, 105, 111, 110, 47,  103,
+    114, 112, 99,  80,  79,  83,  84,  50,  48,  48,  52,  48,  52,  104, 116,
+    116, 112, 104, 116, 116, 112, 115, 103, 114, 112, 99,  71,  69,  84,  80,
+    85,  84,  47,  47,  105, 110, 100, 101, 120, 46,  104, 116, 109, 108, 50,
+    48,  52,  50,  48,  54,  51,  48,  52,  52,  48,  48,  53,  48,  48,  97,
+    99,  99,  101, 112, 116, 45,  99,  104, 97,  114, 115, 101, 116, 97,  99,
+    99,  101, 112, 116, 45,  101, 110, 99,  111, 100, 105, 110, 103, 103, 122,
+    105, 112, 44,  32,  100, 101, 102, 108, 97,  116, 101, 97,  99,  99,  101,
+    112, 116, 45,  108, 97,  110, 103, 117, 97,  103, 101, 97,  99,  99,  101,
+    112, 116, 45,  114, 97,  110, 103, 101, 115, 97,  99,  99,  101, 112, 116,
+    97,  99,  99,  101, 115, 115, 45,  99,  111, 110, 116, 114, 111, 108, 45,
+    97,  108, 108, 111, 119, 45,  111, 114, 105, 103, 105, 110, 97,  103, 101,
+    97,  108, 108, 111, 119, 97,  117, 116, 104, 111, 114, 105, 122, 97,  116,
+    105, 111, 110, 99,  97,  99,  104, 101, 45,  99,  111, 110, 116, 114, 111,
+    108, 99,  111, 110, 116, 101, 110, 116, 45,  100, 105, 115, 112, 111, 115,
+    105, 116, 105, 111, 110, 99,  111, 110, 116, 101, 110, 116, 45,  101, 110,
+    99,  111, 100, 105, 110, 103, 99,  111, 110, 116, 101, 110, 116, 45,  108,
+    97,  110, 103, 117, 97,  103, 101, 99,  111, 110, 116, 101, 110, 116, 45,
+    108, 101, 110, 103, 116, 104, 99,  111, 110, 116, 101, 110, 116, 45,  108,
+    111, 99,  97,  116, 105, 111, 110, 99,  111, 110, 116, 101, 110, 116, 45,
+    114, 97,  110, 103, 101, 99,  111, 111, 107, 105, 101, 100, 97,  116, 101,
+    101, 116, 97,  103, 101, 120, 112, 101, 99,  116, 101, 120, 112, 105, 114,
+    101, 115, 102, 114, 111, 109, 105, 102, 45,  109, 97,  116, 99,  104, 105,
+    102, 45,  109, 111, 100, 105, 102, 105, 101, 100, 45,  115, 105, 110, 99,
+    101, 105, 102, 45,  110, 111, 110, 101, 45,  109, 97,  116, 99,  104, 105,
+    102, 45,  114, 97,  110, 103, 101, 105, 102, 45,  117, 110, 109, 111, 100,
+    105, 102, 105, 101, 100, 45,  115, 105, 110, 99,  101, 108, 97,  115, 116,
+    45,  109, 111, 100, 105, 102, 105, 101, 100, 108, 105, 110, 107, 108, 111,
+    99,  97,  116, 105, 111, 110, 109, 97,  120, 45,  102, 111, 114, 119, 97,
+    114, 100, 115, 112, 114, 111, 120, 121, 45,  97,  117, 116, 104, 101, 110,
+    116, 105, 99,  97,  116, 101, 112, 114, 111, 120, 121, 45,  97,  117, 116,
+    104, 111, 114, 105, 122, 97,  116, 105, 111, 110, 114, 97,  110, 103, 101,
+    114, 101, 102, 101, 114, 101, 114, 114, 101, 102, 114, 101, 115, 104, 114,
+    101, 116, 114, 121, 45,  97,  102, 116, 101, 114, 115, 101, 114, 118, 101,
+    114, 115, 101, 116, 45,  99,  111, 111, 107, 105, 101, 115, 116, 114, 105,
+    99,  116, 45,  116, 114, 97,  110, 115, 112, 111, 114, 116, 45,  115, 101,
+    99,  117, 114, 105, 116, 121, 116, 114, 97,  110, 115, 102, 101, 114, 45,
+    101, 110, 99,  111, 100, 105, 110, 103, 118, 97,  114, 121, 118, 105, 97,
+    119, 119, 119, 45,  97,  117, 116, 104, 101, 110, 116, 105, 99,  97,  116,
+    101, 105, 100, 101, 110, 116, 105, 116, 121, 44,  100, 101, 102, 108, 97,
+    116, 101, 105, 100, 101, 110, 116, 105, 116, 121, 44,  103, 122, 105, 112,
+    100, 101, 102, 108, 97,  116, 101, 44,  103, 122, 105, 112, 105, 100, 101,
+    110, 116, 105, 116, 121, 44,  100, 101, 102, 108, 97,  116, 101, 44,  103,
+    122, 105, 112};
 
 static void static_ref(void *unused) {}
 static void static_unref(grpc_exec_ctx *exec_ctx, void *unused) {}
@@ -220,6 +222,7 @@
     {&grpc_static_metadata_vtable, &static_sub_refcnt},
     {&grpc_static_metadata_vtable, &static_sub_refcnt},
     {&grpc_static_metadata_vtable, &static_sub_refcnt},
+    {&grpc_static_metadata_vtable, &static_sub_refcnt},
 };
 
 const grpc_slice grpc_static_slice_table[GRPC_STATIC_MDSTR_COUNT] = {
@@ -246,177 +249,179 @@
     {.refcount = &grpc_static_metadata_refcounts[10],
      .data.refcounted = {g_bytes + 90, 20}},
     {.refcount = &grpc_static_metadata_refcounts[11],
-     .data.refcounted = {g_bytes + 110, 12}},
+     .data.refcounted = {g_bytes + 110, 21}},
     {.refcount = &grpc_static_metadata_refcounts[12],
-     .data.refcounted = {g_bytes + 122, 30}},
+     .data.refcounted = {g_bytes + 131, 13}},
     {.refcount = &grpc_static_metadata_refcounts[13],
-     .data.refcounted = {g_bytes + 152, 10}},
+     .data.refcounted = {g_bytes + 144, 14}},
     {.refcount = &grpc_static_metadata_refcounts[14],
-     .data.refcounted = {g_bytes + 162, 4}},
+     .data.refcounted = {g_bytes + 158, 12}},
     {.refcount = &grpc_static_metadata_refcounts[15],
-     .data.refcounted = {g_bytes + 166, 8}},
+     .data.refcounted = {g_bytes + 170, 30}},
     {.refcount = &grpc_static_metadata_refcounts[16],
-     .data.refcounted = {g_bytes + 174, 12}},
+     .data.refcounted = {g_bytes + 200, 10}},
     {.refcount = &grpc_static_metadata_refcounts[17],
-     .data.refcounted = {g_bytes + 186, 16}},
+     .data.refcounted = {g_bytes + 210, 4}},
     {.refcount = &grpc_static_metadata_refcounts[18],
-     .data.refcounted = {g_bytes + 202, 14}},
+     .data.refcounted = {g_bytes + 214, 8}},
     {.refcount = &grpc_static_metadata_refcounts[19],
-     .data.refcounted = {g_bytes + 216, 0}},
+     .data.refcounted = {g_bytes + 222, 12}},
     {.refcount = &grpc_static_metadata_refcounts[20],
-     .data.refcounted = {g_bytes + 216, 19}},
+     .data.refcounted = {g_bytes + 234, 0}},
     {.refcount = &grpc_static_metadata_refcounts[21],
-     .data.refcounted = {g_bytes + 235, 12}},
+     .data.refcounted = {g_bytes + 234, 19}},
     {.refcount = &grpc_static_metadata_refcounts[22],
-     .data.refcounted = {g_bytes + 247, 30}},
+     .data.refcounted = {g_bytes + 253, 12}},
     {.refcount = &grpc_static_metadata_refcounts[23],
-     .data.refcounted = {g_bytes + 277, 31}},
+     .data.refcounted = {g_bytes + 265, 30}},
     {.refcount = &grpc_static_metadata_refcounts[24],
-     .data.refcounted = {g_bytes + 308, 36}},
+     .data.refcounted = {g_bytes + 295, 31}},
     {.refcount = &grpc_static_metadata_refcounts[25],
-     .data.refcounted = {g_bytes + 344, 1}},
+     .data.refcounted = {g_bytes + 326, 36}},
     {.refcount = &grpc_static_metadata_refcounts[26],
-     .data.refcounted = {g_bytes + 345, 1}},
+     .data.refcounted = {g_bytes + 362, 1}},
     {.refcount = &grpc_static_metadata_refcounts[27],
-     .data.refcounted = {g_bytes + 346, 1}},
+     .data.refcounted = {g_bytes + 363, 1}},
     {.refcount = &grpc_static_metadata_refcounts[28],
-     .data.refcounted = {g_bytes + 347, 8}},
+     .data.refcounted = {g_bytes + 364, 1}},
     {.refcount = &grpc_static_metadata_refcounts[29],
-     .data.refcounted = {g_bytes + 355, 4}},
+     .data.refcounted = {g_bytes + 365, 8}},
     {.refcount = &grpc_static_metadata_refcounts[30],
-     .data.refcounted = {g_bytes + 359, 7}},
+     .data.refcounted = {g_bytes + 373, 4}},
     {.refcount = &grpc_static_metadata_refcounts[31],
-     .data.refcounted = {g_bytes + 366, 8}},
+     .data.refcounted = {g_bytes + 377, 7}},
     {.refcount = &grpc_static_metadata_refcounts[32],
-     .data.refcounted = {g_bytes + 374, 16}},
+     .data.refcounted = {g_bytes + 384, 8}},
     {.refcount = &grpc_static_metadata_refcounts[33],
-     .data.refcounted = {g_bytes + 390, 4}},
+     .data.refcounted = {g_bytes + 392, 16}},
     {.refcount = &grpc_static_metadata_refcounts[34],
-     .data.refcounted = {g_bytes + 394, 3}},
+     .data.refcounted = {g_bytes + 408, 4}},
     {.refcount = &grpc_static_metadata_refcounts[35],
-     .data.refcounted = {g_bytes + 397, 3}},
+     .data.refcounted = {g_bytes + 412, 3}},
     {.refcount = &grpc_static_metadata_refcounts[36],
-     .data.refcounted = {g_bytes + 400, 4}},
+     .data.refcounted = {g_bytes + 415, 3}},
     {.refcount = &grpc_static_metadata_refcounts[37],
-     .data.refcounted = {g_bytes + 404, 5}},
+     .data.refcounted = {g_bytes + 418, 4}},
     {.refcount = &grpc_static_metadata_refcounts[38],
-     .data.refcounted = {g_bytes + 409, 4}},
+     .data.refcounted = {g_bytes + 422, 5}},
     {.refcount = &grpc_static_metadata_refcounts[39],
-     .data.refcounted = {g_bytes + 413, 3}},
+     .data.refcounted = {g_bytes + 427, 4}},
     {.refcount = &grpc_static_metadata_refcounts[40],
-     .data.refcounted = {g_bytes + 416, 3}},
-    {.refcount = &grpc_static_metadata_refcounts[41],
-     .data.refcounted = {g_bytes + 419, 1}},
-    {.refcount = &grpc_static_metadata_refcounts[42],
-     .data.refcounted = {g_bytes + 420, 11}},
-    {.refcount = &grpc_static_metadata_refcounts[43],
      .data.refcounted = {g_bytes + 431, 3}},
-    {.refcount = &grpc_static_metadata_refcounts[44],
+    {.refcount = &grpc_static_metadata_refcounts[41],
      .data.refcounted = {g_bytes + 434, 3}},
+    {.refcount = &grpc_static_metadata_refcounts[42],
+     .data.refcounted = {g_bytes + 437, 1}},
+    {.refcount = &grpc_static_metadata_refcounts[43],
+     .data.refcounted = {g_bytes + 438, 11}},
+    {.refcount = &grpc_static_metadata_refcounts[44],
+     .data.refcounted = {g_bytes + 449, 3}},
     {.refcount = &grpc_static_metadata_refcounts[45],
-     .data.refcounted = {g_bytes + 437, 3}},
+     .data.refcounted = {g_bytes + 452, 3}},
     {.refcount = &grpc_static_metadata_refcounts[46],
-     .data.refcounted = {g_bytes + 440, 3}},
+     .data.refcounted = {g_bytes + 455, 3}},
     {.refcount = &grpc_static_metadata_refcounts[47],
-     .data.refcounted = {g_bytes + 443, 3}},
+     .data.refcounted = {g_bytes + 458, 3}},
     {.refcount = &grpc_static_metadata_refcounts[48],
-     .data.refcounted = {g_bytes + 446, 14}},
+     .data.refcounted = {g_bytes + 461, 3}},
     {.refcount = &grpc_static_metadata_refcounts[49],
-     .data.refcounted = {g_bytes + 460, 15}},
+     .data.refcounted = {g_bytes + 464, 14}},
     {.refcount = &grpc_static_metadata_refcounts[50],
-     .data.refcounted = {g_bytes + 475, 13}},
+     .data.refcounted = {g_bytes + 478, 15}},
     {.refcount = &grpc_static_metadata_refcounts[51],
-     .data.refcounted = {g_bytes + 488, 15}},
+     .data.refcounted = {g_bytes + 493, 13}},
     {.refcount = &grpc_static_metadata_refcounts[52],
-     .data.refcounted = {g_bytes + 503, 13}},
+     .data.refcounted = {g_bytes + 506, 15}},
     {.refcount = &grpc_static_metadata_refcounts[53],
-     .data.refcounted = {g_bytes + 516, 6}},
+     .data.refcounted = {g_bytes + 521, 13}},
     {.refcount = &grpc_static_metadata_refcounts[54],
-     .data.refcounted = {g_bytes + 522, 27}},
+     .data.refcounted = {g_bytes + 534, 6}},
     {.refcount = &grpc_static_metadata_refcounts[55],
-     .data.refcounted = {g_bytes + 549, 3}},
+     .data.refcounted = {g_bytes + 540, 27}},
     {.refcount = &grpc_static_metadata_refcounts[56],
-     .data.refcounted = {g_bytes + 552, 5}},
+     .data.refcounted = {g_bytes + 567, 3}},
     {.refcount = &grpc_static_metadata_refcounts[57],
-     .data.refcounted = {g_bytes + 557, 13}},
+     .data.refcounted = {g_bytes + 570, 5}},
     {.refcount = &grpc_static_metadata_refcounts[58],
-     .data.refcounted = {g_bytes + 570, 13}},
+     .data.refcounted = {g_bytes + 575, 13}},
     {.refcount = &grpc_static_metadata_refcounts[59],
-     .data.refcounted = {g_bytes + 583, 19}},
+     .data.refcounted = {g_bytes + 588, 13}},
     {.refcount = &grpc_static_metadata_refcounts[60],
-     .data.refcounted = {g_bytes + 602, 16}},
+     .data.refcounted = {g_bytes + 601, 19}},
     {.refcount = &grpc_static_metadata_refcounts[61],
-     .data.refcounted = {g_bytes + 618, 16}},
+     .data.refcounted = {g_bytes + 620, 16}},
     {.refcount = &grpc_static_metadata_refcounts[62],
-     .data.refcounted = {g_bytes + 634, 14}},
+     .data.refcounted = {g_bytes + 636, 16}},
     {.refcount = &grpc_static_metadata_refcounts[63],
-     .data.refcounted = {g_bytes + 648, 16}},
+     .data.refcounted = {g_bytes + 652, 14}},
     {.refcount = &grpc_static_metadata_refcounts[64],
-     .data.refcounted = {g_bytes + 664, 13}},
+     .data.refcounted = {g_bytes + 666, 16}},
     {.refcount = &grpc_static_metadata_refcounts[65],
-     .data.refcounted = {g_bytes + 677, 6}},
+     .data.refcounted = {g_bytes + 682, 13}},
     {.refcount = &grpc_static_metadata_refcounts[66],
-     .data.refcounted = {g_bytes + 683, 4}},
+     .data.refcounted = {g_bytes + 695, 6}},
     {.refcount = &grpc_static_metadata_refcounts[67],
-     .data.refcounted = {g_bytes + 687, 4}},
+     .data.refcounted = {g_bytes + 701, 4}},
     {.refcount = &grpc_static_metadata_refcounts[68],
-     .data.refcounted = {g_bytes + 691, 6}},
+     .data.refcounted = {g_bytes + 705, 4}},
     {.refcount = &grpc_static_metadata_refcounts[69],
-     .data.refcounted = {g_bytes + 697, 7}},
+     .data.refcounted = {g_bytes + 709, 6}},
     {.refcount = &grpc_static_metadata_refcounts[70],
-     .data.refcounted = {g_bytes + 704, 4}},
+     .data.refcounted = {g_bytes + 715, 7}},
     {.refcount = &grpc_static_metadata_refcounts[71],
-     .data.refcounted = {g_bytes + 708, 8}},
+     .data.refcounted = {g_bytes + 722, 4}},
     {.refcount = &grpc_static_metadata_refcounts[72],
-     .data.refcounted = {g_bytes + 716, 17}},
+     .data.refcounted = {g_bytes + 726, 8}},
     {.refcount = &grpc_static_metadata_refcounts[73],
-     .data.refcounted = {g_bytes + 733, 13}},
+     .data.refcounted = {g_bytes + 734, 17}},
     {.refcount = &grpc_static_metadata_refcounts[74],
-     .data.refcounted = {g_bytes + 746, 8}},
+     .data.refcounted = {g_bytes + 751, 13}},
     {.refcount = &grpc_static_metadata_refcounts[75],
-     .data.refcounted = {g_bytes + 754, 19}},
+     .data.refcounted = {g_bytes + 764, 8}},
     {.refcount = &grpc_static_metadata_refcounts[76],
-     .data.refcounted = {g_bytes + 773, 13}},
+     .data.refcounted = {g_bytes + 772, 19}},
     {.refcount = &grpc_static_metadata_refcounts[77],
-     .data.refcounted = {g_bytes + 786, 4}},
+     .data.refcounted = {g_bytes + 791, 13}},
     {.refcount = &grpc_static_metadata_refcounts[78],
-     .data.refcounted = {g_bytes + 790, 8}},
+     .data.refcounted = {g_bytes + 804, 4}},
     {.refcount = &grpc_static_metadata_refcounts[79],
-     .data.refcounted = {g_bytes + 798, 12}},
+     .data.refcounted = {g_bytes + 808, 8}},
     {.refcount = &grpc_static_metadata_refcounts[80],
-     .data.refcounted = {g_bytes + 810, 18}},
+     .data.refcounted = {g_bytes + 816, 12}},
     {.refcount = &grpc_static_metadata_refcounts[81],
-     .data.refcounted = {g_bytes + 828, 19}},
+     .data.refcounted = {g_bytes + 828, 18}},
     {.refcount = &grpc_static_metadata_refcounts[82],
-     .data.refcounted = {g_bytes + 847, 5}},
+     .data.refcounted = {g_bytes + 846, 19}},
     {.refcount = &grpc_static_metadata_refcounts[83],
-     .data.refcounted = {g_bytes + 852, 7}},
+     .data.refcounted = {g_bytes + 865, 5}},
     {.refcount = &grpc_static_metadata_refcounts[84],
-     .data.refcounted = {g_bytes + 859, 7}},
+     .data.refcounted = {g_bytes + 870, 7}},
     {.refcount = &grpc_static_metadata_refcounts[85],
-     .data.refcounted = {g_bytes + 866, 11}},
+     .data.refcounted = {g_bytes + 877, 7}},
     {.refcount = &grpc_static_metadata_refcounts[86],
-     .data.refcounted = {g_bytes + 877, 6}},
+     .data.refcounted = {g_bytes + 884, 11}},
     {.refcount = &grpc_static_metadata_refcounts[87],
-     .data.refcounted = {g_bytes + 883, 10}},
+     .data.refcounted = {g_bytes + 895, 6}},
     {.refcount = &grpc_static_metadata_refcounts[88],
-     .data.refcounted = {g_bytes + 893, 25}},
+     .data.refcounted = {g_bytes + 901, 10}},
     {.refcount = &grpc_static_metadata_refcounts[89],
-     .data.refcounted = {g_bytes + 918, 17}},
+     .data.refcounted = {g_bytes + 911, 25}},
     {.refcount = &grpc_static_metadata_refcounts[90],
-     .data.refcounted = {g_bytes + 935, 4}},
+     .data.refcounted = {g_bytes + 936, 17}},
     {.refcount = &grpc_static_metadata_refcounts[91],
-     .data.refcounted = {g_bytes + 939, 3}},
+     .data.refcounted = {g_bytes + 953, 4}},
     {.refcount = &grpc_static_metadata_refcounts[92],
-     .data.refcounted = {g_bytes + 942, 16}},
+     .data.refcounted = {g_bytes + 957, 3}},
     {.refcount = &grpc_static_metadata_refcounts[93],
-     .data.refcounted = {g_bytes + 958, 16}},
+     .data.refcounted = {g_bytes + 960, 16}},
     {.refcount = &grpc_static_metadata_refcounts[94],
-     .data.refcounted = {g_bytes + 974, 13}},
+     .data.refcounted = {g_bytes + 976, 16}},
     {.refcount = &grpc_static_metadata_refcounts[95],
-     .data.refcounted = {g_bytes + 987, 12}},
+     .data.refcounted = {g_bytes + 992, 13}},
     {.refcount = &grpc_static_metadata_refcounts[96],
-     .data.refcounted = {g_bytes + 999, 21}},
+     .data.refcounted = {g_bytes + 1005, 12}},
+    {.refcount = &grpc_static_metadata_refcounts[97],
+     .data.refcounted = {g_bytes + 1017, 21}},
 };
 
 uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT] = {
@@ -426,16 +431,16 @@
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 4, 4, 6, 6, 8, 8};
 
 static const int8_t elems_r[] = {
-    10,  8,   -3, 0,   9,   21,  -75, 22,  0,   10,  -7,  20, 0,  19, 18, 17,
-    0,   0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,  0,  0,
-    0,   0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,  0,  0,
-    -48, -49, 16, -51, -52, -53, -54, -54, -55, -56, -57, 0,  37, 36, 35, 34,
-    33,  32,  31, 30,  29,  28,  27,  26,  25,  24,  23,  22, 21, 20, 19, 18,
-    17,  16,  15, 14,  13,  12,  11,  14,  13,  12,  11,  10, 9,  8,  0};
+    10, 8,   -3,  0,  9,   21,  -76, 22,  0,   10,  -7,  0,  0,  0,  14, 0,
+    13, 12,  11,  0,  0,   0,   0,   0,   0,   0,   0,   0,  0,  0,  0,  0,
+    0,  0,   0,   0,  0,   0,   0,   0,   0,   0,   0,   0,  0,  0,  0,  0,
+    0,  -50, -51, 15, -53, -54, -55, -56, -56, -57, -58, 0,  37, 36, 35, 34,
+    33, 32,  31,  30, 29,  28,  27,  26,  25,  24,  23,  22, 21, 20, 19, 18,
+    17, 16,  15,  14, 13,  12,  11,  10,  13,  12,  11,  10, 9,  8,  7,  0};
 static uint32_t elems_phash(uint32_t i) {
-  i -= 41;
-  uint32_t x = i % 95;
-  uint32_t y = i / 95;
+  i -= 42;
+  uint32_t x = i % 96;
+  uint32_t y = i / 96;
   uint32_t h = x;
   if (y < GPR_ARRAY_SIZE(elems_r)) {
     uint32_t delta = (uint32_t)elems_r[y];
@@ -445,29 +450,29 @@
 }
 
 static const uint16_t elem_keys[] = {
-    998,  999,  1000, 237,  238,  239,  240,  241,  136,  137,  41,   42,
-    424,  425,  426,  901,  902,  903,  704,  705,  1086, 516,  706,  1280,
-    1377, 1474, 4675, 4772, 4803, 4966, 5063, 5160, 5257, 1099, 5354, 5451,
-    5548, 5645, 5742, 5839, 5936, 6033, 6130, 6227, 6324, 6421, 6518, 6615,
-    6712, 6809, 6906, 7003, 7100, 7197, 7294, 7391, 7488, 7585, 7682, 7779,
-    7876, 7973, 8070, 8167, 8264, 1063, 1064, 1065, 1066, 8361, 8458, 8555,
-    8652, 8749, 8846, 8943, 310,  0,    0,    0,    0,    0,    0,    0,
+    1009, 1010, 1011, 240,  241,  242,  243,  244,  138,  139,  42,   43,
+    429,  430,  431,  911,  912,  913,  712,  713,  1392, 522,  714,  1588,
+    1686, 1784, 4822, 4920, 4951, 5116, 5214, 5312, 5410, 1405, 5508, 5606,
+    5704, 5802, 5900, 5998, 6096, 6194, 6292, 6390, 6488, 6586, 6684, 6782,
+    6880, 6978, 7076, 7174, 7272, 7370, 7468, 7566, 7664, 7762, 7860, 7958,
+    8056, 8154, 8252, 8350, 8448, 1074, 1075, 1076, 1077, 8546, 8644, 8742,
+    8840, 8938, 9036, 9134, 0,    314,  0,    0,    0,    0,    0,    0,
     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    130,  228,  229,  0,    0,    0,    0,    0,    0,
+    0,    0,    0,    0,    132,  231,  232,  0,    0,    0,    0,    0,
     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0};
+    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0};
 static const uint8_t elem_idxs[] = {
     73,  76,  74,  19,  20,  21,  22,  23,  15,  16,  17,  18,  11,  12,  13,
     3,   4,   5,   0,   1,   41,  6,   2,   69,  48,  55,  24,  25,  26,  27,
     28,  29,  30,  7,   31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  42,
     43,  44,  45,  46,  47,  49,  50,  51,  52,  53,  54,  56,  57,  58,  59,
     60,  61,  62,  63,  64,  75,  77,  78,  79,  65,  66,  67,  68,  70,  71,
-    72,  14,  255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-    255, 255, 255, 255, 255, 255, 255, 255, 255, 8,   9,   10};
+    72,  255, 14,  255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 8,   9,   10};
 
 grpc_mdelem grpc_static_mdelem_for_static_strings(int a, int b) {
   if (a == -1 || b == -1) return GRPC_MDNULL;
-  uint32_t k = (uint32_t)(a * 97 + b);
+  uint32_t k = (uint32_t)(a * 98 + b);
   uint32_t h = elems_phash(k);
   return h < GPR_ARRAY_SIZE(elem_keys) && elem_keys[h] == k
              ? GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[elem_idxs[h]],
@@ -478,324 +483,324 @@
 grpc_mdelem_data grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT] = {
     {{.refcount = &grpc_static_metadata_refcounts[7],
       .data.refcounted = {g_bytes + 50, 11}},
-     {.refcount = &grpc_static_metadata_refcounts[25],
-      .data.refcounted = {g_bytes + 344, 1}}},
-    {{.refcount = &grpc_static_metadata_refcounts[7],
-      .data.refcounted = {g_bytes + 50, 11}},
      {.refcount = &grpc_static_metadata_refcounts[26],
-      .data.refcounted = {g_bytes + 345, 1}}},
+      .data.refcounted = {g_bytes + 362, 1}}},
     {{.refcount = &grpc_static_metadata_refcounts[7],
       .data.refcounted = {g_bytes + 50, 11}},
      {.refcount = &grpc_static_metadata_refcounts[27],
-      .data.refcounted = {g_bytes + 346, 1}}},
-    {{.refcount = &grpc_static_metadata_refcounts[9],
-      .data.refcounted = {g_bytes + 77, 13}},
+      .data.refcounted = {g_bytes + 363, 1}}},
+    {{.refcount = &grpc_static_metadata_refcounts[7],
+      .data.refcounted = {g_bytes + 50, 11}},
      {.refcount = &grpc_static_metadata_refcounts[28],
-      .data.refcounted = {g_bytes + 347, 8}}},
+      .data.refcounted = {g_bytes + 364, 1}}},
     {{.refcount = &grpc_static_metadata_refcounts[9],
       .data.refcounted = {g_bytes + 77, 13}},
      {.refcount = &grpc_static_metadata_refcounts[29],
-      .data.refcounted = {g_bytes + 355, 4}}},
+      .data.refcounted = {g_bytes + 365, 8}}},
     {{.refcount = &grpc_static_metadata_refcounts[9],
       .data.refcounted = {g_bytes + 77, 13}},
      {.refcount = &grpc_static_metadata_refcounts[30],
-      .data.refcounted = {g_bytes + 359, 7}}},
+      .data.refcounted = {g_bytes + 373, 4}}},
+    {{.refcount = &grpc_static_metadata_refcounts[9],
+      .data.refcounted = {g_bytes + 77, 13}},
+     {.refcount = &grpc_static_metadata_refcounts[31],
+      .data.refcounted = {g_bytes + 377, 7}}},
     {{.refcount = &grpc_static_metadata_refcounts[5],
       .data.refcounted = {g_bytes + 36, 2}},
-     {.refcount = &grpc_static_metadata_refcounts[31],
-      .data.refcounted = {g_bytes + 366, 8}}},
-    {{.refcount = &grpc_static_metadata_refcounts[11],
-      .data.refcounted = {g_bytes + 110, 12}},
      {.refcount = &grpc_static_metadata_refcounts[32],
-      .data.refcounted = {g_bytes + 374, 16}}},
+      .data.refcounted = {g_bytes + 384, 8}}},
+    {{.refcount = &grpc_static_metadata_refcounts[14],
+      .data.refcounted = {g_bytes + 158, 12}},
+     {.refcount = &grpc_static_metadata_refcounts[33],
+      .data.refcounted = {g_bytes + 392, 16}}},
     {{.refcount = &grpc_static_metadata_refcounts[1],
       .data.refcounted = {g_bytes + 5, 7}},
-     {.refcount = &grpc_static_metadata_refcounts[33],
-      .data.refcounted = {g_bytes + 390, 4}}},
-    {{.refcount = &grpc_static_metadata_refcounts[2],
-      .data.refcounted = {g_bytes + 12, 7}},
      {.refcount = &grpc_static_metadata_refcounts[34],
-      .data.refcounted = {g_bytes + 394, 3}}},
+      .data.refcounted = {g_bytes + 408, 4}}},
     {{.refcount = &grpc_static_metadata_refcounts[2],
       .data.refcounted = {g_bytes + 12, 7}},
      {.refcount = &grpc_static_metadata_refcounts[35],
-      .data.refcounted = {g_bytes + 397, 3}}},
-    {{.refcount = &grpc_static_metadata_refcounts[4],
-      .data.refcounted = {g_bytes + 29, 7}},
+      .data.refcounted = {g_bytes + 412, 3}}},
+    {{.refcount = &grpc_static_metadata_refcounts[2],
+      .data.refcounted = {g_bytes + 12, 7}},
      {.refcount = &grpc_static_metadata_refcounts[36],
-      .data.refcounted = {g_bytes + 400, 4}}},
+      .data.refcounted = {g_bytes + 415, 3}}},
     {{.refcount = &grpc_static_metadata_refcounts[4],
       .data.refcounted = {g_bytes + 29, 7}},
      {.refcount = &grpc_static_metadata_refcounts[37],
-      .data.refcounted = {g_bytes + 404, 5}}},
+      .data.refcounted = {g_bytes + 418, 4}}},
     {{.refcount = &grpc_static_metadata_refcounts[4],
       .data.refcounted = {g_bytes + 29, 7}},
      {.refcount = &grpc_static_metadata_refcounts[38],
-      .data.refcounted = {g_bytes + 409, 4}}},
+      .data.refcounted = {g_bytes + 422, 5}}},
+    {{.refcount = &grpc_static_metadata_refcounts[4],
+      .data.refcounted = {g_bytes + 29, 7}},
+     {.refcount = &grpc_static_metadata_refcounts[39],
+      .data.refcounted = {g_bytes + 427, 4}}},
     {{.refcount = &grpc_static_metadata_refcounts[3],
       .data.refcounted = {g_bytes + 19, 10}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
-    {{.refcount = &grpc_static_metadata_refcounts[1],
-      .data.refcounted = {g_bytes + 5, 7}},
-     {.refcount = &grpc_static_metadata_refcounts[39],
-      .data.refcounted = {g_bytes + 413, 3}}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[1],
       .data.refcounted = {g_bytes + 5, 7}},
      {.refcount = &grpc_static_metadata_refcounts[40],
-      .data.refcounted = {g_bytes + 416, 3}}},
-    {{.refcount = &grpc_static_metadata_refcounts[0],
-      .data.refcounted = {g_bytes + 0, 5}},
+      .data.refcounted = {g_bytes + 431, 3}}},
+    {{.refcount = &grpc_static_metadata_refcounts[1],
+      .data.refcounted = {g_bytes + 5, 7}},
      {.refcount = &grpc_static_metadata_refcounts[41],
-      .data.refcounted = {g_bytes + 419, 1}}},
+      .data.refcounted = {g_bytes + 434, 3}}},
     {{.refcount = &grpc_static_metadata_refcounts[0],
       .data.refcounted = {g_bytes + 0, 5}},
      {.refcount = &grpc_static_metadata_refcounts[42],
-      .data.refcounted = {g_bytes + 420, 11}}},
-    {{.refcount = &grpc_static_metadata_refcounts[2],
-      .data.refcounted = {g_bytes + 12, 7}},
+      .data.refcounted = {g_bytes + 437, 1}}},
+    {{.refcount = &grpc_static_metadata_refcounts[0],
+      .data.refcounted = {g_bytes + 0, 5}},
      {.refcount = &grpc_static_metadata_refcounts[43],
-      .data.refcounted = {g_bytes + 431, 3}}},
+      .data.refcounted = {g_bytes + 438, 11}}},
     {{.refcount = &grpc_static_metadata_refcounts[2],
       .data.refcounted = {g_bytes + 12, 7}},
      {.refcount = &grpc_static_metadata_refcounts[44],
-      .data.refcounted = {g_bytes + 434, 3}}},
+      .data.refcounted = {g_bytes + 449, 3}}},
     {{.refcount = &grpc_static_metadata_refcounts[2],
       .data.refcounted = {g_bytes + 12, 7}},
      {.refcount = &grpc_static_metadata_refcounts[45],
-      .data.refcounted = {g_bytes + 437, 3}}},
+      .data.refcounted = {g_bytes + 452, 3}}},
     {{.refcount = &grpc_static_metadata_refcounts[2],
       .data.refcounted = {g_bytes + 12, 7}},
      {.refcount = &grpc_static_metadata_refcounts[46],
-      .data.refcounted = {g_bytes + 440, 3}}},
+      .data.refcounted = {g_bytes + 455, 3}}},
     {{.refcount = &grpc_static_metadata_refcounts[2],
       .data.refcounted = {g_bytes + 12, 7}},
      {.refcount = &grpc_static_metadata_refcounts[47],
-      .data.refcounted = {g_bytes + 443, 3}}},
-    {{.refcount = &grpc_static_metadata_refcounts[48],
-      .data.refcounted = {g_bytes + 446, 14}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 458, 3}}},
+    {{.refcount = &grpc_static_metadata_refcounts[2],
+      .data.refcounted = {g_bytes + 12, 7}},
+     {.refcount = &grpc_static_metadata_refcounts[48],
+      .data.refcounted = {g_bytes + 461, 3}}},
     {{.refcount = &grpc_static_metadata_refcounts[49],
-      .data.refcounted = {g_bytes + 460, 15}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
-    {{.refcount = &grpc_static_metadata_refcounts[49],
-      .data.refcounted = {g_bytes + 460, 15}},
-     {.refcount = &grpc_static_metadata_refcounts[50],
-      .data.refcounted = {g_bytes + 475, 13}}},
-    {{.refcount = &grpc_static_metadata_refcounts[51],
-      .data.refcounted = {g_bytes + 488, 15}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 464, 14}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
+    {{.refcount = &grpc_static_metadata_refcounts[50],
+      .data.refcounted = {g_bytes + 478, 15}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
+    {{.refcount = &grpc_static_metadata_refcounts[50],
+      .data.refcounted = {g_bytes + 478, 15}},
+     {.refcount = &grpc_static_metadata_refcounts[51],
+      .data.refcounted = {g_bytes + 493, 13}}},
     {{.refcount = &grpc_static_metadata_refcounts[52],
-      .data.refcounted = {g_bytes + 503, 13}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 506, 15}},
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     {{.refcount = &grpc_static_metadata_refcounts[53],
-      .data.refcounted = {g_bytes + 516, 6}},
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-      .data.refcounted = {g_bytes + 216, 0}}},
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+     {.refcount = &grpc_static_metadata_refcounts[20],
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     {{.refcount = &grpc_static_metadata_refcounts[54],
-      .data.refcounted = {g_bytes + 522, 27}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 534, 6}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[55],
-      .data.refcounted = {g_bytes + 549, 3}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
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     {{.refcount = &grpc_static_metadata_refcounts[56],
-      .data.refcounted = {g_bytes + 552, 5}},
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-      .data.refcounted = {g_bytes + 216, 0}}},
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     {{.refcount = &grpc_static_metadata_refcounts[57],
-      .data.refcounted = {g_bytes + 557, 13}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 570, 5}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[58],
-      .data.refcounted = {g_bytes + 570, 13}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 575, 13}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[59],
-      .data.refcounted = {g_bytes + 583, 19}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 588, 13}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[60],
-      .data.refcounted = {g_bytes + 602, 16}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 601, 19}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[61],
-      .data.refcounted = {g_bytes + 618, 16}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 620, 16}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[62],
-      .data.refcounted = {g_bytes + 634, 14}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 636, 16}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
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     {{.refcount = &grpc_static_metadata_refcounts[63],
-      .data.refcounted = {g_bytes + 648, 16}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
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+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[64],
-      .data.refcounted = {g_bytes + 664, 13}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
-    {{.refcount = &grpc_static_metadata_refcounts[11],
-      .data.refcounted = {g_bytes + 110, 12}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 666, 16}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[65],
-      .data.refcounted = {g_bytes + 677, 6}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
-    {{.refcount = &grpc_static_metadata_refcounts[66],
-      .data.refcounted = {g_bytes + 683, 4}},
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-      .data.refcounted = {g_bytes + 216, 0}}},
-    {{.refcount = &grpc_static_metadata_refcounts[67],
-      .data.refcounted = {g_bytes + 687, 4}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
-    {{.refcount = &grpc_static_metadata_refcounts[68],
-      .data.refcounted = {g_bytes + 691, 6}},
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-      .data.refcounted = {g_bytes + 216, 0}}},
-    {{.refcount = &grpc_static_metadata_refcounts[69],
-      .data.refcounted = {g_bytes + 697, 7}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
-    {{.refcount = &grpc_static_metadata_refcounts[70],
-      .data.refcounted = {g_bytes + 704, 4}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 682, 13}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[14],
-      .data.refcounted = {g_bytes + 162, 4}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 158, 12}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
+    {{.refcount = &grpc_static_metadata_refcounts[66],
+      .data.refcounted = {g_bytes + 695, 6}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
+    {{.refcount = &grpc_static_metadata_refcounts[67],
+      .data.refcounted = {g_bytes + 701, 4}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
+    {{.refcount = &grpc_static_metadata_refcounts[68],
+      .data.refcounted = {g_bytes + 705, 4}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
+    {{.refcount = &grpc_static_metadata_refcounts[69],
+      .data.refcounted = {g_bytes + 709, 6}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
+    {{.refcount = &grpc_static_metadata_refcounts[70],
+      .data.refcounted = {g_bytes + 715, 7}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[71],
-      .data.refcounted = {g_bytes + 708, 8}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 722, 4}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
+    {{.refcount = &grpc_static_metadata_refcounts[17],
+      .data.refcounted = {g_bytes + 210, 4}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[72],
-      .data.refcounted = {g_bytes + 716, 17}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 726, 8}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[73],
-      .data.refcounted = {g_bytes + 733, 13}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 734, 17}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[74],
-      .data.refcounted = {g_bytes + 746, 8}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 751, 13}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[75],
-      .data.refcounted = {g_bytes + 754, 19}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 764, 8}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[76],
-      .data.refcounted = {g_bytes + 773, 13}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
-    {{.refcount = &grpc_static_metadata_refcounts[15],
-      .data.refcounted = {g_bytes + 166, 8}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 772, 19}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[77],
-      .data.refcounted = {g_bytes + 786, 4}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 791, 13}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
+    {{.refcount = &grpc_static_metadata_refcounts[18],
+      .data.refcounted = {g_bytes + 214, 8}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[78],
-      .data.refcounted = {g_bytes + 790, 8}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 804, 4}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[79],
-      .data.refcounted = {g_bytes + 798, 12}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 808, 8}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[80],
-      .data.refcounted = {g_bytes + 810, 18}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 816, 12}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[81],
-      .data.refcounted = {g_bytes + 828, 19}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 828, 18}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[82],
-      .data.refcounted = {g_bytes + 847, 5}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 846, 19}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[83],
-      .data.refcounted = {g_bytes + 852, 7}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 865, 5}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[84],
-      .data.refcounted = {g_bytes + 859, 7}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 870, 7}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[85],
-      .data.refcounted = {g_bytes + 866, 11}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 877, 7}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[86],
-      .data.refcounted = {g_bytes + 877, 6}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 884, 11}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[87],
-      .data.refcounted = {g_bytes + 883, 10}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 895, 6}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[88],
-      .data.refcounted = {g_bytes + 893, 25}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 901, 10}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[89],
-      .data.refcounted = {g_bytes + 918, 17}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
-    {{.refcount = &grpc_static_metadata_refcounts[13],
-      .data.refcounted = {g_bytes + 152, 10}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 911, 25}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[90],
-      .data.refcounted = {g_bytes + 935, 4}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 936, 17}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
+    {{.refcount = &grpc_static_metadata_refcounts[16],
+      .data.refcounted = {g_bytes + 200, 10}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[91],
-      .data.refcounted = {g_bytes + 939, 3}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
+      .data.refcounted = {g_bytes + 953, 4}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[92],
-      .data.refcounted = {g_bytes + 942, 16}},
-     {.refcount = &grpc_static_metadata_refcounts[19],
-      .data.refcounted = {g_bytes + 216, 0}}},
-    {{.refcount = &grpc_static_metadata_refcounts[10],
-      .data.refcounted = {g_bytes + 90, 20}},
-     {.refcount = &grpc_static_metadata_refcounts[28],
-      .data.refcounted = {g_bytes + 347, 8}}},
-    {{.refcount = &grpc_static_metadata_refcounts[10],
-      .data.refcounted = {g_bytes + 90, 20}},
-     {.refcount = &grpc_static_metadata_refcounts[30],
-      .data.refcounted = {g_bytes + 359, 7}}},
-    {{.refcount = &grpc_static_metadata_refcounts[10],
-      .data.refcounted = {g_bytes + 90, 20}},
-     {.refcount = &grpc_static_metadata_refcounts[93],
-      .data.refcounted = {g_bytes + 958, 16}}},
+      .data.refcounted = {g_bytes + 957, 3}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
+    {{.refcount = &grpc_static_metadata_refcounts[93],
+      .data.refcounted = {g_bytes + 960, 16}},
+     {.refcount = &grpc_static_metadata_refcounts[20],
+      .data.refcounted = {g_bytes + 234, 0}}},
     {{.refcount = &grpc_static_metadata_refcounts[10],
       .data.refcounted = {g_bytes + 90, 20}},
      {.refcount = &grpc_static_metadata_refcounts[29],
-      .data.refcounted = {g_bytes + 355, 4}}},
+      .data.refcounted = {g_bytes + 365, 8}}},
+    {{.refcount = &grpc_static_metadata_refcounts[10],
+      .data.refcounted = {g_bytes + 90, 20}},
+     {.refcount = &grpc_static_metadata_refcounts[31],
+      .data.refcounted = {g_bytes + 377, 7}}},
     {{.refcount = &grpc_static_metadata_refcounts[10],
       .data.refcounted = {g_bytes + 90, 20}},
      {.refcount = &grpc_static_metadata_refcounts[94],
-      .data.refcounted = {g_bytes + 974, 13}}},
+      .data.refcounted = {g_bytes + 976, 16}}},
+    {{.refcount = &grpc_static_metadata_refcounts[10],
+      .data.refcounted = {g_bytes + 90, 20}},
+     {.refcount = &grpc_static_metadata_refcounts[30],
+      .data.refcounted = {g_bytes + 373, 4}}},
     {{.refcount = &grpc_static_metadata_refcounts[10],
       .data.refcounted = {g_bytes + 90, 20}},
      {.refcount = &grpc_static_metadata_refcounts[95],
-      .data.refcounted = {g_bytes + 987, 12}}},
+      .data.refcounted = {g_bytes + 992, 13}}},
     {{.refcount = &grpc_static_metadata_refcounts[10],
       .data.refcounted = {g_bytes + 90, 20}},
      {.refcount = &grpc_static_metadata_refcounts[96],
-      .data.refcounted = {g_bytes + 999, 21}}},
+      .data.refcounted = {g_bytes + 1005, 12}}},
+    {{.refcount = &grpc_static_metadata_refcounts[10],
+      .data.refcounted = {g_bytes + 90, 20}},
+     {.refcount = &grpc_static_metadata_refcounts[97],
+      .data.refcounted = {g_bytes + 1017, 21}}},
 };
 const uint8_t grpc_static_accept_encoding_metadata[8] = {0,  73, 74, 75,
                                                          76, 77, 78, 79};
diff --git a/src/core/lib/transport/static_metadata.h b/src/core/lib/transport/static_metadata.h
index f9600ee..dcbe418 100644
--- a/src/core/lib/transport/static_metadata.h
+++ b/src/core/lib/transport/static_metadata.h
@@ -44,7 +44,7 @@
 
 #include "src/core/lib/transport/metadata.h"
 
-#define GRPC_STATIC_MDSTR_COUNT 97
+#define GRPC_STATIC_MDSTR_COUNT 98
 extern const grpc_slice grpc_static_slice_table[GRPC_STATIC_MDSTR_COUNT];
 /* ":path" */
 #define GRPC_MDSTR_PATH (grpc_static_slice_table[0])
@@ -68,182 +68,184 @@
 #define GRPC_MDSTR_GRPC_ENCODING (grpc_static_slice_table[9])
 /* "grpc-accept-encoding" */
 #define GRPC_MDSTR_GRPC_ACCEPT_ENCODING (grpc_static_slice_table[10])
+/* "grpc-server-stats-bin" */
+#define GRPC_MDSTR_GRPC_SERVER_STATS_BIN (grpc_static_slice_table[11])
+/* "grpc-tags-bin" */
+#define GRPC_MDSTR_GRPC_TAGS_BIN (grpc_static_slice_table[12])
+/* "grpc-trace-bin" */
+#define GRPC_MDSTR_GRPC_TRACE_BIN (grpc_static_slice_table[13])
 /* "content-type" */
-#define GRPC_MDSTR_CONTENT_TYPE (grpc_static_slice_table[11])
+#define GRPC_MDSTR_CONTENT_TYPE (grpc_static_slice_table[14])
 /* "grpc-internal-encoding-request" */
-#define GRPC_MDSTR_GRPC_INTERNAL_ENCODING_REQUEST (grpc_static_slice_table[12])
+#define GRPC_MDSTR_GRPC_INTERNAL_ENCODING_REQUEST (grpc_static_slice_table[15])
 /* "user-agent" */
-#define GRPC_MDSTR_USER_AGENT (grpc_static_slice_table[13])
+#define GRPC_MDSTR_USER_AGENT (grpc_static_slice_table[16])
 /* "host" */
-#define GRPC_MDSTR_HOST (grpc_static_slice_table[14])
+#define GRPC_MDSTR_HOST (grpc_static_slice_table[17])
 /* "lb-token" */
-#define GRPC_MDSTR_LB_TOKEN (grpc_static_slice_table[15])
+#define GRPC_MDSTR_LB_TOKEN (grpc_static_slice_table[18])
 /* "grpc-timeout" */
-#define GRPC_MDSTR_GRPC_TIMEOUT (grpc_static_slice_table[16])
-/* "grpc-tracing-bin" */
-#define GRPC_MDSTR_GRPC_TRACING_BIN (grpc_static_slice_table[17])
-/* "grpc-stats-bin" */
-#define GRPC_MDSTR_GRPC_STATS_BIN (grpc_static_slice_table[18])
+#define GRPC_MDSTR_GRPC_TIMEOUT (grpc_static_slice_table[19])
 /* "" */
-#define GRPC_MDSTR_EMPTY (grpc_static_slice_table[19])
+#define GRPC_MDSTR_EMPTY (grpc_static_slice_table[20])
 /* "grpc.wait_for_ready" */
-#define GRPC_MDSTR_GRPC_DOT_WAIT_FOR_READY (grpc_static_slice_table[20])
+#define GRPC_MDSTR_GRPC_DOT_WAIT_FOR_READY (grpc_static_slice_table[21])
 /* "grpc.timeout" */
-#define GRPC_MDSTR_GRPC_DOT_TIMEOUT (grpc_static_slice_table[21])
+#define GRPC_MDSTR_GRPC_DOT_TIMEOUT (grpc_static_slice_table[22])
 /* "grpc.max_request_message_bytes" */
 #define GRPC_MDSTR_GRPC_DOT_MAX_REQUEST_MESSAGE_BYTES \
-  (grpc_static_slice_table[22])
+  (grpc_static_slice_table[23])
 /* "grpc.max_response_message_bytes" */
 #define GRPC_MDSTR_GRPC_DOT_MAX_RESPONSE_MESSAGE_BYTES \
-  (grpc_static_slice_table[23])
+  (grpc_static_slice_table[24])
 /* "/grpc.lb.v1.LoadBalancer/BalanceLoad" */
 #define GRPC_MDSTR_SLASH_GRPC_DOT_LB_DOT_V1_DOT_LOADBALANCER_SLASH_BALANCELOAD \
-  (grpc_static_slice_table[24])
+  (grpc_static_slice_table[25])
 /* "0" */
-#define GRPC_MDSTR_0 (grpc_static_slice_table[25])
+#define GRPC_MDSTR_0 (grpc_static_slice_table[26])
 /* "1" */
-#define GRPC_MDSTR_1 (grpc_static_slice_table[26])
+#define GRPC_MDSTR_1 (grpc_static_slice_table[27])
 /* "2" */
-#define GRPC_MDSTR_2 (grpc_static_slice_table[27])
+#define GRPC_MDSTR_2 (grpc_static_slice_table[28])
 /* "identity" */
-#define GRPC_MDSTR_IDENTITY (grpc_static_slice_table[28])
+#define GRPC_MDSTR_IDENTITY (grpc_static_slice_table[29])
 /* "gzip" */
-#define GRPC_MDSTR_GZIP (grpc_static_slice_table[29])
+#define GRPC_MDSTR_GZIP (grpc_static_slice_table[30])
 /* "deflate" */
-#define GRPC_MDSTR_DEFLATE (grpc_static_slice_table[30])
+#define GRPC_MDSTR_DEFLATE (grpc_static_slice_table[31])
 /* "trailers" */
-#define GRPC_MDSTR_TRAILERS (grpc_static_slice_table[31])
+#define GRPC_MDSTR_TRAILERS (grpc_static_slice_table[32])
 /* "application/grpc" */
-#define GRPC_MDSTR_APPLICATION_SLASH_GRPC (grpc_static_slice_table[32])
+#define GRPC_MDSTR_APPLICATION_SLASH_GRPC (grpc_static_slice_table[33])
 /* "POST" */
-#define GRPC_MDSTR_POST (grpc_static_slice_table[33])
+#define GRPC_MDSTR_POST (grpc_static_slice_table[34])
 /* "200" */
-#define GRPC_MDSTR_200 (grpc_static_slice_table[34])
+#define GRPC_MDSTR_200 (grpc_static_slice_table[35])
 /* "404" */
-#define GRPC_MDSTR_404 (grpc_static_slice_table[35])
+#define GRPC_MDSTR_404 (grpc_static_slice_table[36])
 /* "http" */
-#define GRPC_MDSTR_HTTP (grpc_static_slice_table[36])
+#define GRPC_MDSTR_HTTP (grpc_static_slice_table[37])
 /* "https" */
-#define GRPC_MDSTR_HTTPS (grpc_static_slice_table[37])
+#define GRPC_MDSTR_HTTPS (grpc_static_slice_table[38])
 /* "grpc" */
-#define GRPC_MDSTR_GRPC (grpc_static_slice_table[38])
+#define GRPC_MDSTR_GRPC (grpc_static_slice_table[39])
 /* "GET" */
-#define GRPC_MDSTR_GET (grpc_static_slice_table[39])
+#define GRPC_MDSTR_GET (grpc_static_slice_table[40])
 /* "PUT" */
-#define GRPC_MDSTR_PUT (grpc_static_slice_table[40])
+#define GRPC_MDSTR_PUT (grpc_static_slice_table[41])
 /* "/" */
-#define GRPC_MDSTR_SLASH (grpc_static_slice_table[41])
+#define GRPC_MDSTR_SLASH (grpc_static_slice_table[42])
 /* "/index.html" */
-#define GRPC_MDSTR_SLASH_INDEX_DOT_HTML (grpc_static_slice_table[42])
+#define GRPC_MDSTR_SLASH_INDEX_DOT_HTML (grpc_static_slice_table[43])
 /* "204" */
-#define GRPC_MDSTR_204 (grpc_static_slice_table[43])
+#define GRPC_MDSTR_204 (grpc_static_slice_table[44])
 /* "206" */
-#define GRPC_MDSTR_206 (grpc_static_slice_table[44])
+#define GRPC_MDSTR_206 (grpc_static_slice_table[45])
 /* "304" */
-#define GRPC_MDSTR_304 (grpc_static_slice_table[45])
+#define GRPC_MDSTR_304 (grpc_static_slice_table[46])
 /* "400" */
-#define GRPC_MDSTR_400 (grpc_static_slice_table[46])
+#define GRPC_MDSTR_400 (grpc_static_slice_table[47])
 /* "500" */
-#define GRPC_MDSTR_500 (grpc_static_slice_table[47])
+#define GRPC_MDSTR_500 (grpc_static_slice_table[48])
 /* "accept-charset" */
-#define GRPC_MDSTR_ACCEPT_CHARSET (grpc_static_slice_table[48])
+#define GRPC_MDSTR_ACCEPT_CHARSET (grpc_static_slice_table[49])
 /* "accept-encoding" */
-#define GRPC_MDSTR_ACCEPT_ENCODING (grpc_static_slice_table[49])
+#define GRPC_MDSTR_ACCEPT_ENCODING (grpc_static_slice_table[50])
 /* "gzip, deflate" */
-#define GRPC_MDSTR_GZIP_COMMA_DEFLATE (grpc_static_slice_table[50])
+#define GRPC_MDSTR_GZIP_COMMA_DEFLATE (grpc_static_slice_table[51])
 /* "accept-language" */
-#define GRPC_MDSTR_ACCEPT_LANGUAGE (grpc_static_slice_table[51])
+#define GRPC_MDSTR_ACCEPT_LANGUAGE (grpc_static_slice_table[52])
 /* "accept-ranges" */
-#define GRPC_MDSTR_ACCEPT_RANGES (grpc_static_slice_table[52])
+#define GRPC_MDSTR_ACCEPT_RANGES (grpc_static_slice_table[53])
 /* "accept" */
-#define GRPC_MDSTR_ACCEPT (grpc_static_slice_table[53])
+#define GRPC_MDSTR_ACCEPT (grpc_static_slice_table[54])
 /* "access-control-allow-origin" */
-#define GRPC_MDSTR_ACCESS_CONTROL_ALLOW_ORIGIN (grpc_static_slice_table[54])
+#define GRPC_MDSTR_ACCESS_CONTROL_ALLOW_ORIGIN (grpc_static_slice_table[55])
 /* "age" */
-#define GRPC_MDSTR_AGE (grpc_static_slice_table[55])
+#define GRPC_MDSTR_AGE (grpc_static_slice_table[56])
 /* "allow" */
-#define GRPC_MDSTR_ALLOW (grpc_static_slice_table[56])
+#define GRPC_MDSTR_ALLOW (grpc_static_slice_table[57])
 /* "authorization" */
-#define GRPC_MDSTR_AUTHORIZATION (grpc_static_slice_table[57])
+#define GRPC_MDSTR_AUTHORIZATION (grpc_static_slice_table[58])
 /* "cache-control" */
-#define GRPC_MDSTR_CACHE_CONTROL (grpc_static_slice_table[58])
+#define GRPC_MDSTR_CACHE_CONTROL (grpc_static_slice_table[59])
 /* "content-disposition" */
-#define GRPC_MDSTR_CONTENT_DISPOSITION (grpc_static_slice_table[59])
+#define GRPC_MDSTR_CONTENT_DISPOSITION (grpc_static_slice_table[60])
 /* "content-encoding" */
-#define GRPC_MDSTR_CONTENT_ENCODING (grpc_static_slice_table[60])
+#define GRPC_MDSTR_CONTENT_ENCODING (grpc_static_slice_table[61])
 /* "content-language" */
-#define GRPC_MDSTR_CONTENT_LANGUAGE (grpc_static_slice_table[61])
+#define GRPC_MDSTR_CONTENT_LANGUAGE (grpc_static_slice_table[62])
 /* "content-length" */
-#define GRPC_MDSTR_CONTENT_LENGTH (grpc_static_slice_table[62])
+#define GRPC_MDSTR_CONTENT_LENGTH (grpc_static_slice_table[63])
 /* "content-location" */
-#define GRPC_MDSTR_CONTENT_LOCATION (grpc_static_slice_table[63])
+#define GRPC_MDSTR_CONTENT_LOCATION (grpc_static_slice_table[64])
 /* "content-range" */
-#define GRPC_MDSTR_CONTENT_RANGE (grpc_static_slice_table[64])
+#define GRPC_MDSTR_CONTENT_RANGE (grpc_static_slice_table[65])
 /* "cookie" */
-#define GRPC_MDSTR_COOKIE (grpc_static_slice_table[65])
+#define GRPC_MDSTR_COOKIE (grpc_static_slice_table[66])
 /* "date" */
-#define GRPC_MDSTR_DATE (grpc_static_slice_table[66])
+#define GRPC_MDSTR_DATE (grpc_static_slice_table[67])
 /* "etag" */
-#define GRPC_MDSTR_ETAG (grpc_static_slice_table[67])
+#define GRPC_MDSTR_ETAG (grpc_static_slice_table[68])
 /* "expect" */
-#define GRPC_MDSTR_EXPECT (grpc_static_slice_table[68])
+#define GRPC_MDSTR_EXPECT (grpc_static_slice_table[69])
 /* "expires" */
-#define GRPC_MDSTR_EXPIRES (grpc_static_slice_table[69])
+#define GRPC_MDSTR_EXPIRES (grpc_static_slice_table[70])
 /* "from" */
-#define GRPC_MDSTR_FROM (grpc_static_slice_table[70])
+#define GRPC_MDSTR_FROM (grpc_static_slice_table[71])
 /* "if-match" */
-#define GRPC_MDSTR_IF_MATCH (grpc_static_slice_table[71])
+#define GRPC_MDSTR_IF_MATCH (grpc_static_slice_table[72])
 /* "if-modified-since" */
-#define GRPC_MDSTR_IF_MODIFIED_SINCE (grpc_static_slice_table[72])
+#define GRPC_MDSTR_IF_MODIFIED_SINCE (grpc_static_slice_table[73])
 /* "if-none-match" */
-#define GRPC_MDSTR_IF_NONE_MATCH (grpc_static_slice_table[73])
+#define GRPC_MDSTR_IF_NONE_MATCH (grpc_static_slice_table[74])
 /* "if-range" */
-#define GRPC_MDSTR_IF_RANGE (grpc_static_slice_table[74])
+#define GRPC_MDSTR_IF_RANGE (grpc_static_slice_table[75])
 /* "if-unmodified-since" */
-#define GRPC_MDSTR_IF_UNMODIFIED_SINCE (grpc_static_slice_table[75])
+#define GRPC_MDSTR_IF_UNMODIFIED_SINCE (grpc_static_slice_table[76])
 /* "last-modified" */
-#define GRPC_MDSTR_LAST_MODIFIED (grpc_static_slice_table[76])
+#define GRPC_MDSTR_LAST_MODIFIED (grpc_static_slice_table[77])
 /* "link" */
-#define GRPC_MDSTR_LINK (grpc_static_slice_table[77])
+#define GRPC_MDSTR_LINK (grpc_static_slice_table[78])
 /* "location" */
-#define GRPC_MDSTR_LOCATION (grpc_static_slice_table[78])
+#define GRPC_MDSTR_LOCATION (grpc_static_slice_table[79])
 /* "max-forwards" */
-#define GRPC_MDSTR_MAX_FORWARDS (grpc_static_slice_table[79])
+#define GRPC_MDSTR_MAX_FORWARDS (grpc_static_slice_table[80])
 /* "proxy-authenticate" */
-#define GRPC_MDSTR_PROXY_AUTHENTICATE (grpc_static_slice_table[80])
+#define GRPC_MDSTR_PROXY_AUTHENTICATE (grpc_static_slice_table[81])
 /* "proxy-authorization" */
-#define GRPC_MDSTR_PROXY_AUTHORIZATION (grpc_static_slice_table[81])
+#define GRPC_MDSTR_PROXY_AUTHORIZATION (grpc_static_slice_table[82])
 /* "range" */
-#define GRPC_MDSTR_RANGE (grpc_static_slice_table[82])
+#define GRPC_MDSTR_RANGE (grpc_static_slice_table[83])
 /* "referer" */
-#define GRPC_MDSTR_REFERER (grpc_static_slice_table[83])
+#define GRPC_MDSTR_REFERER (grpc_static_slice_table[84])
 /* "refresh" */
-#define GRPC_MDSTR_REFRESH (grpc_static_slice_table[84])
+#define GRPC_MDSTR_REFRESH (grpc_static_slice_table[85])
 /* "retry-after" */
-#define GRPC_MDSTR_RETRY_AFTER (grpc_static_slice_table[85])
+#define GRPC_MDSTR_RETRY_AFTER (grpc_static_slice_table[86])
 /* "server" */
-#define GRPC_MDSTR_SERVER (grpc_static_slice_table[86])
+#define GRPC_MDSTR_SERVER (grpc_static_slice_table[87])
 /* "set-cookie" */
-#define GRPC_MDSTR_SET_COOKIE (grpc_static_slice_table[87])
+#define GRPC_MDSTR_SET_COOKIE (grpc_static_slice_table[88])
 /* "strict-transport-security" */
-#define GRPC_MDSTR_STRICT_TRANSPORT_SECURITY (grpc_static_slice_table[88])
+#define GRPC_MDSTR_STRICT_TRANSPORT_SECURITY (grpc_static_slice_table[89])
 /* "transfer-encoding" */
-#define GRPC_MDSTR_TRANSFER_ENCODING (grpc_static_slice_table[89])
+#define GRPC_MDSTR_TRANSFER_ENCODING (grpc_static_slice_table[90])
 /* "vary" */
-#define GRPC_MDSTR_VARY (grpc_static_slice_table[90])
+#define GRPC_MDSTR_VARY (grpc_static_slice_table[91])
 /* "via" */
-#define GRPC_MDSTR_VIA (grpc_static_slice_table[91])
+#define GRPC_MDSTR_VIA (grpc_static_slice_table[92])
 /* "www-authenticate" */
-#define GRPC_MDSTR_WWW_AUTHENTICATE (grpc_static_slice_table[92])
+#define GRPC_MDSTR_WWW_AUTHENTICATE (grpc_static_slice_table[93])
 /* "identity,deflate" */
-#define GRPC_MDSTR_IDENTITY_COMMA_DEFLATE (grpc_static_slice_table[93])
+#define GRPC_MDSTR_IDENTITY_COMMA_DEFLATE (grpc_static_slice_table[94])
 /* "identity,gzip" */
-#define GRPC_MDSTR_IDENTITY_COMMA_GZIP (grpc_static_slice_table[94])
+#define GRPC_MDSTR_IDENTITY_COMMA_GZIP (grpc_static_slice_table[95])
 /* "deflate,gzip" */
-#define GRPC_MDSTR_DEFLATE_COMMA_GZIP (grpc_static_slice_table[95])
+#define GRPC_MDSTR_DEFLATE_COMMA_GZIP (grpc_static_slice_table[96])
 /* "identity,deflate,gzip" */
 #define GRPC_MDSTR_IDENTITY_COMMA_DEFLATE_COMMA_GZIP \
-  (grpc_static_slice_table[96])
+  (grpc_static_slice_table[97])
 
 extern const grpc_slice_refcount_vtable grpc_static_metadata_vtable;
 extern grpc_slice_refcount
@@ -512,6 +514,9 @@
   GRPC_BATCH_GRPC_PAYLOAD_BIN,
   GRPC_BATCH_GRPC_ENCODING,
   GRPC_BATCH_GRPC_ACCEPT_ENCODING,
+  GRPC_BATCH_GRPC_SERVER_STATS_BIN,
+  GRPC_BATCH_GRPC_TAGS_BIN,
+  GRPC_BATCH_GRPC_TRACE_BIN,
   GRPC_BATCH_CONTENT_TYPE,
   GRPC_BATCH_GRPC_INTERNAL_ENCODING_REQUEST,
   GRPC_BATCH_USER_AGENT,
@@ -534,6 +539,9 @@
     struct grpc_linked_mdelem *grpc_payload_bin;
     struct grpc_linked_mdelem *grpc_encoding;
     struct grpc_linked_mdelem *grpc_accept_encoding;
+    struct grpc_linked_mdelem *grpc_server_stats_bin;
+    struct grpc_linked_mdelem *grpc_tags_bin;
+    struct grpc_linked_mdelem *grpc_trace_bin;
     struct grpc_linked_mdelem *content_type;
     struct grpc_linked_mdelem *grpc_internal_encoding_request;
     struct grpc_linked_mdelem *user_agent;
diff --git a/test/core/end2end/fuzzers/hpack.dictionary b/test/core/end2end/fuzzers/hpack.dictionary
index 6b96785..4282c61 100644
--- a/test/core/end2end/fuzzers/hpack.dictionary
+++ b/test/core/end2end/fuzzers/hpack.dictionary
@@ -10,14 +10,15 @@
 "\x10grpc-payload-bin"
 "\x0Dgrpc-encoding"
 "\x14grpc-accept-encoding"
+"\x15grpc-server-stats-bin"
+"\x0Dgrpc-tags-bin"
+"\x0Egrpc-trace-bin"
 "\x0Ccontent-type"
 "\x1Egrpc-internal-encoding-request"
 "\x0Auser-agent"
 "\x04host"
 "\x08lb-token"
 "\x0Cgrpc-timeout"
-"\x10grpc-tracing-bin"
-"\x0Egrpc-stats-bin"
 "\x00"
 "\x13grpc.wait_for_ready"
 "\x0Cgrpc.timeout"
diff --git a/tools/codegen/core/gen_static_metadata.py b/tools/codegen/core/gen_static_metadata.py
index 109701f..ead57b2 100755
--- a/tools/codegen/core/gen_static_metadata.py
+++ b/tools/codegen/core/gen_static_metadata.py
@@ -56,8 +56,9 @@
     ':authority',
     'grpc-message',
     'grpc-status',
-    'grpc-tracing-bin',
-    'grpc-stats-bin',
+    'grpc-server-stats-bin',
+    'grpc-tags-bin',
+    'grpc-trace-bin',
     '',
     # channel arg keys
     'grpc.wait_for_ready',
@@ -154,6 +155,9 @@
     'grpc-payload-bin',
     'grpc-encoding',
     'grpc-accept-encoding',
+    'grpc-server-stats-bin',
+    'grpc-tags-bin',
+    'grpc-trace-bin',
     'content-type',
     'grpc-internal-encoding-request',
     'user-agent',
@@ -167,6 +171,7 @@
     'gzip',
 ]
 
+
 # utility: mangle the name of a config
 def mangle(elem, name=None):
   xl = {
@@ -177,43 +182,56 @@
       ',': 'comma',
       ' ': '_',
   }
+
   def m0(x):
-    if not x: return 'empty'
+    if not x:
+      return 'empty'
     r = ''
     for c in x:
       put = xl.get(c, c.lower())
-      if not put: continue
+      if not put:
+        continue
       last_is_underscore = r[-1] == '_' if r else True
-      if last_is_underscore and put == '_': continue
+      if last_is_underscore and put == '_':
+        continue
       elif len(put) > 1:
-        if not last_is_underscore: r += '_'
+        if not last_is_underscore:
+          r += '_'
         r += put
         r += '_'
       else:
         r += put
-    if r[-1] == '_': r = r[:-1]
+    if r[-1] == '_':
+      r = r[:-1]
     return r
+
   def n(default, name=name):
-    if name is None: return 'grpc_%s_' % default
-    if name == '': return ''
+    if name is None:
+      return 'grpc_%s_' % default
+    if name == '':
+      return ''
     return 'grpc_%s_' % name
+
   if isinstance(elem, tuple):
     return '%s%s_%s' % (n('mdelem'), m0(elem[0]), m0(elem[1]))
   else:
     return '%s%s' % (n('mdstr'), m0(elem))
 
+
 # utility: generate some hash value for a string
 def fake_hash(elem):
   return hashlib.md5(elem).hexdigest()[0:8]
 
+
 # utility: print a big comment block into a set of files
 def put_banner(files, banner):
   for f in files:
-    print >>f, '/*'
+    print >> f, '/*'
     for line in banner:
-      print >>f, ' * %s' % line
-    print >>f, ' */'
-    print >>f
+      print >> f, ' * %s' % line
+    print >> f, ' */'
+    print >> f
+
 
 # build a list of all the strings we need
 all_strs = list()
@@ -236,7 +254,7 @@
     if elem not in all_strs:
       all_strs.append(elem)
 compression_elems = []
-for mask in range(1, 1<<len(COMPRESSION_ALGORITHMS)):
+for mask in range(1, 1 << len(COMPRESSION_ALGORITHMS)):
   val = ','.join(COMPRESSION_ALGORITHMS[alg]
                  for alg in range(0, len(COMPRESSION_ALGORITHMS))
                  if (1 << alg) & mask)
@@ -267,18 +285,25 @@
   else:
     D = open('/dev/null', 'w')
 else:
-  H = open(os.path.join(
-      os.path.dirname(sys.argv[0]), '../../../src/core/lib/transport/static_metadata.h'), 'w')
-  C = open(os.path.join(
-      os.path.dirname(sys.argv[0]), '../../../src/core/lib/transport/static_metadata.c'), 'w')
-  D = open(os.path.join(
-      os.path.dirname(sys.argv[0]), '../../../test/core/end2end/fuzzers/hpack.dictionary'), 'w')
+  H = open(
+      os.path.join(
+          os.path.dirname(sys.argv[0]),
+          '../../../src/core/lib/transport/static_metadata.h'), 'w')
+  C = open(
+      os.path.join(
+          os.path.dirname(sys.argv[0]),
+          '../../../src/core/lib/transport/static_metadata.c'), 'w')
+  D = open(
+      os.path.join(
+          os.path.dirname(sys.argv[0]),
+          '../../../test/core/end2end/fuzzers/hpack.dictionary'), 'w')
 
 # copy-paste copyright notice from this file
 with open(sys.argv[0]) as my_source:
   copyright = []
   for line in my_source:
-    if line[0] != '#': break
+    if line[0] != '#':
+      break
   for line in my_source:
     if line[0] == '#':
       copyright.append(line)
@@ -287,10 +312,9 @@
     if line[0] != '#':
       break
     copyright.append(line)
-  put_banner([H,C], [line[2:].rstrip() for line in copyright])
+  put_banner([H, C], [line[2:].rstrip() for line in copyright])
 
-
-hex_bytes = [ord(c) for c in "abcdefABCDEF0123456789"]
+hex_bytes = [ord(c) for c in 'abcdefABCDEF0123456789']
 
 
 def esc_dict(line):
@@ -302,11 +326,11 @@
       else:
         out += "\\\""
     else:
-      out += "\\x%02X" % c
+      out += '\\x%02X' % c
   return out + "\""
 
-put_banner([H,C],
-"""WARNING: Auto-generated code.
+
+put_banner([H, C], """WARNING: Auto-generated code.
 
 To make changes to this file, change
 tools/codegen/core/gen_static_metadata.py, and then re-run it.
@@ -315,108 +339,143 @@
 an explanation of what's going on.
 """.splitlines())
 
-print >>H, '#ifndef GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H'
-print >>H, '#define GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H'
-print >>H
-print >>H, '#include "src/core/lib/transport/metadata.h"'
-print >>H
+print >> H, '#ifndef GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H'
+print >> H, '#define GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H'
+print >> H
+print >> H, '#include "src/core/lib/transport/metadata.h"'
+print >> H
 
-print >>C, '#include "src/core/lib/transport/static_metadata.h"'
-print >>C
-print >>C, '#include "src/core/lib/slice/slice_internal.h"'
-print >>C
+print >> C, '#include "src/core/lib/transport/static_metadata.h"'
+print >> C
+print >> C, '#include "src/core/lib/slice/slice_internal.h"'
+print >> C
 
 str_ofs = 0
 id2strofs = {}
 for i, elem in enumerate(all_strs):
   id2strofs[i] = str_ofs
-  str_ofs += len(elem);
+  str_ofs += len(elem)
+
+
 def slice_def(i):
-  return '{.refcount = &grpc_static_metadata_refcounts[%d], .data.refcounted = {g_bytes+%d, %d}}' % (i, id2strofs[i], len(all_strs[i]))
+  return ('{.refcount = &grpc_static_metadata_refcounts[%d], .data.refcounted ='
+          ' {g_bytes+%d, %d}}') % (
+      i, id2strofs[i], len(all_strs[i]))
+
 
 # validate configuration
 for elem in METADATA_BATCH_CALLOUTS:
   assert elem in all_strs
 
-print >>H, '#define GRPC_STATIC_MDSTR_COUNT %d' % len(all_strs)
-print >>H, 'extern const grpc_slice grpc_static_slice_table[GRPC_STATIC_MDSTR_COUNT];'
+print >> H, '#define GRPC_STATIC_MDSTR_COUNT %d' % len(all_strs)
+print >> H, ('extern const grpc_slice '
+             'grpc_static_slice_table[GRPC_STATIC_MDSTR_COUNT];')
 for i, elem in enumerate(all_strs):
-  print >>H, '/* "%s" */' % elem
-  print >>H, '#define %s (grpc_static_slice_table[%d])' % (mangle(elem).upper(), i)
-print >>H
-print >>C, 'static uint8_t g_bytes[] = {%s};' % (','.join('%d' % ord(c) for c in ''.join(all_strs)))
-print >>C
-print >>C, 'static void static_ref(void *unused) {}'
-print >>C, 'static void static_unref(grpc_exec_ctx *exec_ctx, void *unused) {}'
-print >>C, 'static const grpc_slice_refcount_vtable static_sub_vtable = {static_ref, static_unref, grpc_slice_default_eq_impl, grpc_slice_default_hash_impl};';
-print >>H, 'extern const grpc_slice_refcount_vtable grpc_static_metadata_vtable;';
-print >>C, 'const grpc_slice_refcount_vtable grpc_static_metadata_vtable = {static_ref, static_unref, grpc_static_slice_eq, grpc_static_slice_hash};';
-print >>C, 'static grpc_slice_refcount static_sub_refcnt = {&static_sub_vtable, &static_sub_refcnt};';
-print >>H, 'extern grpc_slice_refcount grpc_static_metadata_refcounts[GRPC_STATIC_MDSTR_COUNT];'
-print >>C, 'grpc_slice_refcount grpc_static_metadata_refcounts[GRPC_STATIC_MDSTR_COUNT] = {'
+  print >> H, '/* "%s" */' % elem
+  print >> H, '#define %s (grpc_static_slice_table[%d])' % (
+      mangle(elem).upper(), i)
+print >> H
+print >> C, 'static uint8_t g_bytes[] = {%s};' % (
+    ','.join('%d' % ord(c) for c in ''.join(all_strs)))
+print >> C
+print >> C, 'static void static_ref(void *unused) {}'
+print >> C, 'static void static_unref(grpc_exec_ctx *exec_ctx, void *unused) {}'
+print >> C, ('static const grpc_slice_refcount_vtable static_sub_vtable = '
+             '{static_ref, static_unref, grpc_slice_default_eq_impl, '
+             'grpc_slice_default_hash_impl};')
+print >> H, ('extern const grpc_slice_refcount_vtable '
+             'grpc_static_metadata_vtable;')
+print >> C, ('const grpc_slice_refcount_vtable grpc_static_metadata_vtable = '
+             '{static_ref, static_unref, grpc_static_slice_eq, '
+             'grpc_static_slice_hash};')
+print >> C, ('static grpc_slice_refcount static_sub_refcnt = '
+             '{&static_sub_vtable, &static_sub_refcnt};')
+print >> H, ('extern grpc_slice_refcount '
+             'grpc_static_metadata_refcounts[GRPC_STATIC_MDSTR_COUNT];')
+print >> C, ('grpc_slice_refcount '
+             'grpc_static_metadata_refcounts[GRPC_STATIC_MDSTR_COUNT] = {')
 for i, elem in enumerate(all_strs):
-  print >>C, '  {&grpc_static_metadata_vtable, &static_sub_refcnt},'
-print >>C, '};'
-print >>C
-print >>H, '#define GRPC_IS_STATIC_METADATA_STRING(slice) \\'
-print >>H, '  ((slice).refcount != NULL && (slice).refcount->vtable == &grpc_static_metadata_vtable)'
-print >>H
-print >>C, 'const grpc_slice grpc_static_slice_table[GRPC_STATIC_MDSTR_COUNT] = {'
+  print >> C, '  {&grpc_static_metadata_vtable, &static_sub_refcnt},'
+print >> C, '};'
+print >> C
+print >> H, '#define GRPC_IS_STATIC_METADATA_STRING(slice) \\'
+print >> H, ('  ((slice).refcount != NULL && (slice).refcount->vtable == '
+             '&grpc_static_metadata_vtable)')
+print >> H
+print >> C, ('const grpc_slice grpc_static_slice_table[GRPC_STATIC_MDSTR_COUNT]'
+             ' = {')
 for i, elem in enumerate(all_strs):
-  print >>C, slice_def(i) + ','
-print >>C, '};'
-print >>C
-print >>H, '#define GRPC_STATIC_METADATA_INDEX(static_slice) \\'
-print >>H, '  ((int)((static_slice).refcount - grpc_static_metadata_refcounts))'
-print >>H
+  print >> C, slice_def(i) + ','
+print >> C, '};'
+print >> C
+print >> H, '#define GRPC_STATIC_METADATA_INDEX(static_slice) \\'
+print >> H, ('  ((int)((static_slice).refcount - '
+             'grpc_static_metadata_refcounts))')
+print >> H
 
-print >>D, '# hpack fuzzing dictionary'
+print >> D, '# hpack fuzzing dictionary'
 for i, elem in enumerate(all_strs):
-  print >>D, '%s' % (esc_dict([len(elem)] + [ord(c) for c in elem]))
+  print >> D, '%s' % (esc_dict([len(elem)] + [ord(c) for c in elem]))
 for i, elem in enumerate(all_elems):
-  print >>D, '%s' % (esc_dict([0, len(elem[0])] + [ord(c) for c in elem[0]] +
-                              [len(elem[1])] + [ord(c) for c in elem[1]]))
+  print >> D, '%s' % (esc_dict([0, len(elem[0])] + [ord(c) for c in elem[0]] +
+                               [len(elem[1])] + [ord(c) for c in elem[1]]))
 
-print >>H, '#define GRPC_STATIC_MDELEM_COUNT %d' % len(all_elems)
-print >>H, 'extern grpc_mdelem_data grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT];'
-print >>H, 'extern uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT];'
+print >> H, '#define GRPC_STATIC_MDELEM_COUNT %d' % len(all_elems)
+print >> H, ('extern grpc_mdelem_data '
+             'grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT];')
+print >> H, ('extern uintptr_t '
+             'grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT];')
 for i, elem in enumerate(all_elems):
-  print >>H, '/* "%s": "%s" */' % elem
-  print >>H, '#define %s (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[%d], GRPC_MDELEM_STORAGE_STATIC))' % (mangle(elem).upper(), i)
-print >>H
-print >>C, 'uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT] = {'
-print >>C, '  %s' % ','.join('%d' % static_userdata.get(elem, 0) for elem in all_elems)
-print >>C, '};'
-print >>C
+  print >> H, '/* "%s": "%s" */' % elem
+  print >> H, ('#define %s (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[%d], '
+               'GRPC_MDELEM_STORAGE_STATIC))') % (
+      mangle(elem).upper(), i)
+print >> H
+print >> C, ('uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT] '
+             '= {')
+print >> C, '  %s' % ','.join('%d' % static_userdata.get(elem, 0)
+                              for elem in all_elems)
+print >> C, '};'
+print >> C
+
 
 def str_idx(s):
   for i, s2 in enumerate(all_strs):
     if s == s2:
       return i
 
+
 def md_idx(m):
   for i, m2 in enumerate(all_elems):
     if m == m2:
       return i
 
+
 def offset_trials(mink):
   yield 0
   for i in range(1, 100):
     for mul in [-1, 1]:
       yield mul * i
 
+
 def perfect_hash(keys, name):
   p = perfection.hash_parameters(keys)
+
   def f(i, p=p):
     i += p.offset
     x = i % p.t
     y = i / p.t
     return x + p.r[y]
+
   return {
-    'PHASHRANGE': p.t - 1 + max(p.r),
-    'PHASHNKEYS': len(p.slots),
-    'pyfunc': f,
-    'code': """
+      'PHASHRANGE':
+          p.t - 1 + max(p.r),
+      'PHASHNKEYS':
+          len(p.slots),
+      'pyfunc':
+          f,
+      'code':
+          """
 static const int8_t %(name)s_r[] = {%(r)s};
 static uint32_t %(name)s_phash(uint32_t i) {
   i %(offset_sign)s= %(offset)d;
@@ -430,71 +489,77 @@
   return h;
 }
     """ % {
-      'name': name,
-      'r': ','.join('%d' % (r if r is not None else 0) for r in p.r),
-      't': p.t,
-      'offset': abs(p.offset),
-      'offset_sign': '+' if p.offset > 0 else '-'
+        'name': name,
+        'r': ','.join('%d' % (r if r is not None else 0) for r in p.r),
+        't': p.t,
+        'offset': abs(p.offset),
+        'offset_sign': '+' if p.offset > 0 else '-'
     }
   }
 
 
-elem_keys = [str_idx(elem[0]) * len(all_strs) + str_idx(elem[1]) for elem in all_elems]
-elem_hash = perfect_hash(elem_keys, "elems")
-print >>C, elem_hash['code']
+elem_keys = [
+    str_idx(elem[0]) * len(all_strs) + str_idx(elem[1]) for elem in all_elems
+]
+elem_hash = perfect_hash(elem_keys, 'elems')
+print >> C, elem_hash['code']
 
 keys = [0] * int(elem_hash['PHASHRANGE'])
 idxs = [255] * int(elem_hash['PHASHNKEYS'])
 for i, k in enumerate(elem_keys):
-    h = elem_hash['pyfunc'](k)
-    assert keys[h] == 0
-    keys[h] = k
-    idxs[h] = i
-print >>C, 'static const uint16_t elem_keys[] = {%s};' % ','.join('%d' % k for k in keys)
-print >>C, 'static const uint8_t elem_idxs[] = {%s};' % ','.join('%d' % i for i in idxs)
-print >>C
+  h = elem_hash['pyfunc'](k)
+  assert keys[h] == 0
+  keys[h] = k
+  idxs[h] = i
+print >> C, 'static const uint16_t elem_keys[] = {%s};' % ','.join(
+    '%d' % k for k in keys)
+print >> C, 'static const uint8_t elem_idxs[] = {%s};' % ','.join(
+    '%d' % i for i in idxs)
+print >> C
 
-print >>H, 'grpc_mdelem grpc_static_mdelem_for_static_strings(int a, int b);'
-print >>C, 'grpc_mdelem grpc_static_mdelem_for_static_strings(int a, int b) {'
-print >>C, '  if (a == -1 || b == -1) return GRPC_MDNULL;'
-print >>C, '  uint32_t k = (uint32_t)(a * %d + b);' % len(all_strs)
-print >>C, '  uint32_t h = elems_phash(k);'
-print >>C, '  return h < GPR_ARRAY_SIZE(elem_keys) && elem_keys[h] == k ? GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[elem_idxs[h]], GRPC_MDELEM_STORAGE_STATIC) : GRPC_MDNULL;'
-print >>C, '}'
-print >>C
+print >> H, 'grpc_mdelem grpc_static_mdelem_for_static_strings(int a, int b);'
+print >> C, 'grpc_mdelem grpc_static_mdelem_for_static_strings(int a, int b) {'
+print >> C, '  if (a == -1 || b == -1) return GRPC_MDNULL;'
+print >> C, '  uint32_t k = (uint32_t)(a * %d + b);' % len(all_strs)
+print >> C, '  uint32_t h = elems_phash(k);'
+print >> C, '  return h < GPR_ARRAY_SIZE(elem_keys) && elem_keys[h] == k ? GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[elem_idxs[h]], GRPC_MDELEM_STORAGE_STATIC) : GRPC_MDNULL;'
+print >> C, '}'
+print >> C
 
-print >>C, 'grpc_mdelem_data grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT] = {'
+print >> C, 'grpc_mdelem_data grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT] = {'
 for a, b in all_elems:
-  print >>C, '{%s,%s},' % (slice_def(str_idx(a)), slice_def(str_idx(b)))
-print >>C, '};'
+  print >> C, '{%s,%s},' % (slice_def(str_idx(a)), slice_def(str_idx(b)))
+print >> C, '};'
 
-print >>H, 'typedef enum {'
+print >> H, 'typedef enum {'
 for elem in METADATA_BATCH_CALLOUTS:
-  print >>H, '  %s,' % mangle(elem, 'batch').upper()
-print >>H, '  GRPC_BATCH_CALLOUTS_COUNT'
-print >>H, '} grpc_metadata_batch_callouts_index;'
-print >>H
-print >>H, 'typedef union {'
-print >>H, '  struct grpc_linked_mdelem *array[GRPC_BATCH_CALLOUTS_COUNT];'
-print >>H, '  struct {'
+  print >> H, '  %s,' % mangle(elem, 'batch').upper()
+print >> H, '  GRPC_BATCH_CALLOUTS_COUNT'
+print >> H, '} grpc_metadata_batch_callouts_index;'
+print >> H
+print >> H, 'typedef union {'
+print >> H, '  struct grpc_linked_mdelem *array[GRPC_BATCH_CALLOUTS_COUNT];'
+print >> H, '  struct {'
 for elem in METADATA_BATCH_CALLOUTS:
-  print >>H, '  struct grpc_linked_mdelem *%s;' % mangle(elem, '').lower()
-print >>H, '  } named;'
-print >>H, '} grpc_metadata_batch_callouts;'
-print >>H
-print >>H, '#define GRPC_BATCH_INDEX_OF(slice) \\'
-print >>H, '  (GRPC_IS_STATIC_METADATA_STRING((slice)) ? (grpc_metadata_batch_callouts_index)GPR_CLAMP(GRPC_STATIC_METADATA_INDEX((slice)), 0, GRPC_BATCH_CALLOUTS_COUNT) : GRPC_BATCH_CALLOUTS_COUNT)'
-print >>H
+  print >> H, '  struct grpc_linked_mdelem *%s;' % mangle(elem, '').lower()
+print >> H, '  } named;'
+print >> H, '} grpc_metadata_batch_callouts;'
+print >> H
+print >> H, '#define GRPC_BATCH_INDEX_OF(slice) \\'
+print >> H, '  (GRPC_IS_STATIC_METADATA_STRING((slice)) ? (grpc_metadata_batch_callouts_index)GPR_CLAMP(GRPC_STATIC_METADATA_INDEX((slice)), 0, GRPC_BATCH_CALLOUTS_COUNT) : GRPC_BATCH_CALLOUTS_COUNT)'
+print >> H
 
-print >>H, 'extern const uint8_t grpc_static_accept_encoding_metadata[%d];' % (1 << len(COMPRESSION_ALGORITHMS))
-print >>C, 'const uint8_t grpc_static_accept_encoding_metadata[%d] = {' % (1 << len(COMPRESSION_ALGORITHMS))
-print >>C, '0,%s' % ','.join('%d' % md_idx(elem) for elem in compression_elems)
-print >>C, '};'
-print >>C
+print >> H, 'extern const uint8_t grpc_static_accept_encoding_metadata[%d];' % (
+    1 << len(COMPRESSION_ALGORITHMS))
+print >> C, 'const uint8_t grpc_static_accept_encoding_metadata[%d] = {' % (
+    1 << len(COMPRESSION_ALGORITHMS))
+print >> C, '0,%s' % ','.join('%d' % md_idx(elem) for elem in compression_elems)
+print >> C, '};'
+print >> C
 
-print >>H, '#define GRPC_MDELEM_ACCEPT_ENCODING_FOR_ALGORITHMS(algs) (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[grpc_static_accept_encoding_metadata[(algs)]], GRPC_MDELEM_STORAGE_STATIC))'
+print >> H, '#define GRPC_MDELEM_ACCEPT_ENCODING_FOR_ALGORITHMS(algs) (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[grpc_static_accept_encoding_metadata[(algs)]], GRPC_MDELEM_STORAGE_STATIC))'
 
-print >>H, '#endif /* GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H */'
+print >> H, '#endif /* GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H */'
 
 H.close()
 C.close()