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diff --git a/src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h b/src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h
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+++ b/src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h
@@ -0,0 +1,60 @@
+//
+// Copyright 2016 gRPC authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_FAKE_FAKE_RESOLVER_H
+#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_FAKE_FAKE_RESOLVER_H
+
+#include "src/core/ext/filters/client_channel/lb_policy_factory.h"
+#include "src/core/ext/filters/client_channel/uri_parser.h"
+#include "src/core/lib/channel/channel_args.h"
+
+#define GRPC_ARG_FAKE_RESOLVER_RESPONSE_GENERATOR \
+  "grpc.fake_resolver.response_generator"
+
+void grpc_resolver_fake_init();
+
+// Instances of \a grpc_fake_resolver_response_generator are passed to the
+// fake resolver in a channel argument (see \a
+// grpc_fake_resolver_response_generator_arg) in order to inject and trigger
+// custom resolutions. See also \a
+// grpc_fake_resolver_response_generator_set_response.
+typedef struct grpc_fake_resolver_response_generator
+    grpc_fake_resolver_response_generator;
+grpc_fake_resolver_response_generator*
+grpc_fake_resolver_response_generator_create();
+
+// Instruct the fake resolver associated with the \a response_generator instance
+// to trigger a new resolution for \a uri and \a args.
+void grpc_fake_resolver_response_generator_set_response(
+    grpc_exec_ctx* exec_ctx, grpc_fake_resolver_response_generator* generator,
+    grpc_channel_args* next_response);
+
+// Return a \a grpc_arg for a \a grpc_fake_resolver_response_generator instance.
+grpc_arg grpc_fake_resolver_response_generator_arg(
+    grpc_fake_resolver_response_generator* generator);
+// Return the \a grpc_fake_resolver_response_generator instance in \a args or
+// NULL.
+grpc_fake_resolver_response_generator*
+grpc_fake_resolver_get_response_generator(const grpc_channel_args* args);
+
+grpc_fake_resolver_response_generator*
+grpc_fake_resolver_response_generator_ref(
+    grpc_fake_resolver_response_generator* generator);
+void grpc_fake_resolver_response_generator_unref(
+    grpc_fake_resolver_response_generator* generator);
+
+#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_FAKE_FAKE_RESOLVER_H \
+          */