--- /dev/null
+/*
+ *
+ * Copyright 2018 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_LIB_IOMGR_ENDPOINT_CFSTREAM_H
+#define GRPC_CORE_LIB_IOMGR_ENDPOINT_CFSTREAM_H
+/*
+ Low level TCP "bottom half" implementation, for use by transports built on
+ top of a TCP connection.
+
+ Note that this file does not (yet) include APIs for creating the socket in
+ the first place.
+
+ All calls passing slice transfer ownership of a slice refcount unless
+ otherwise specified.
+*/
+
+#include <grpc/support/port_platform.h>
+
+#ifdef GRPC_CFSTREAM
+
+#import <CoreFoundation/CoreFoundation.h>
+
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/iomgr/cfstream_handle.h"
+#include "src/core/lib/iomgr/endpoint.h"
+
+grpc_endpoint* grpc_cfstream_endpoint_create(
+ CFReadStreamRef read_stream, CFWriteStreamRef write_stream,
+ const char* peer_string, grpc_resource_quota* resource_quota,
+ CFStreamHandle* stream_sync);
+
+#endif /* GRPC_CFSTREAM */
+
+#endif /* GRPC_CORE_LIB_IOMGR_ENDPOINT_CFSTREAM_H */