chore: regens API reference docs (#889)

diff --git a/docs/dyn/runtimeconfig_v1beta1.projects.configs.operations.html b/docs/dyn/runtimeconfig_v1beta1.projects.configs.operations.html
index 306d876..a9ddfe9 100644
--- a/docs/dyn/runtimeconfig_v1beta1.projects.configs.operations.html
+++ b/docs/dyn/runtimeconfig_v1beta1.projects.configs.operations.html
@@ -78,7 +78,7 @@
   <code><a href="#get">get(name, x__xgafv=None)</a></code></p>
 <p class="firstline">Gets the latest state of a long-running operation.  Clients can use this</p>
 <p class="toc_element">
-  <code><a href="#testIamPermissions">testIamPermissions(resource, body, x__xgafv=None)</a></code></p>
+  <code><a href="#testIamPermissions">testIamPermissions(resource, body=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Returns permissions that a caller has on the specified resource.</p>
 <h3>Method Details</h3>
 <div class="method">
@@ -99,28 +99,12 @@
 
     { # This resource represents a long-running operation that is the result of a
       # network API call.
-    "response": { # The normal response of the operation in case of success.  If the original
-        # method returns no data on success, such as `Delete`, the response is
-        # `google.protobuf.Empty`.  If the original method is standard
-        # `Get`/`Create`/`Update`, the response should be the resource.  For other
-        # methods, the response should have the type `XxxResponse`, where `Xxx`
-        # is the original method name.  For example, if the original method name
-        # is `TakeSnapshot()`, the inferred response type is
-        # `TakeSnapshotResponse`.
-      "a_key": "", # Properties of the object. Contains field @type with type URL.
-    },
     "metadata": { # Service-specific metadata associated with the operation.  It typically
         # contains progress information and common metadata such as create time.
         # Some services might not provide such metadata.  Any method that returns a
         # long-running operation should document the metadata type, if any.
       "a_key": "", # Properties of the object. Contains field @type with type URL.
     },
-    "done": True or False, # If the value is `false`, it means the operation is still in progress.
-        # If `true`, the operation is completed, and either `error` or `response` is
-        # available.
-    "name": "A String", # The server-assigned name, which is only unique within the same service that
-        # originally returns it. If you use the default HTTP mapping, the
-        # `name` should be a resource name ending with `operations/{unique_id}`.
     "error": { # The `Status` type defines a logical error model that is suitable for # The error result of the operation in case of failure or cancellation.
         # different programming environments, including REST APIs and RPC APIs. It is
         # used by [gRPC](https://github.com/grpc). Each `Status` message contains
@@ -139,14 +123,30 @@
         },
       ],
     },
+    "done": True or False, # If the value is `false`, it means the operation is still in progress.
+        # If `true`, the operation is completed, and either `error` or `response` is
+        # available.
+    "response": { # The normal response of the operation in case of success.  If the original
+        # method returns no data on success, such as `Delete`, the response is
+        # `google.protobuf.Empty`.  If the original method is standard
+        # `Get`/`Create`/`Update`, the response should be the resource.  For other
+        # methods, the response should have the type `XxxResponse`, where `Xxx`
+        # is the original method name.  For example, if the original method name
+        # is `TakeSnapshot()`, the inferred response type is
+        # `TakeSnapshotResponse`.
+      "a_key": "", # Properties of the object. Contains field @type with type URL.
+    },
+    "name": "A String", # The server-assigned name, which is only unique within the same service that
+        # originally returns it. If you use the default HTTP mapping, the
+        # `name` should be a resource name ending with `operations/{unique_id}`.
   }</pre>
 </div>
 
 <div class="method">
-    <code class="details" id="testIamPermissions">testIamPermissions(resource, body, x__xgafv=None)</code>
+    <code class="details" id="testIamPermissions">testIamPermissions(resource, body=None, x__xgafv=None)</code>
   <pre>Returns permissions that a caller has on the specified resource.
 If the resource does not exist, this will return an empty set of
-permissions, not a NOT_FOUND error.
+permissions, not a `NOT_FOUND` error.
 
 Note: This operation is designed to be used for building permission-aware
 UIs and command-line tools, not for authorization checking. This operation
@@ -155,7 +155,7 @@
 Args:
   resource: string, REQUIRED: The resource for which the policy detail is being requested.
 See the operation documentation for the appropriate value for this field. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # Request message for `TestIamPermissions` method.