689 pub struct grpc_completion_queue {  struct
690     _unused: [u8; 0],
1331     ) -> *mut grpc_completion_queue;  in grpc_completion_queue_create_for_next()
1337     ) -> *mut grpc_completion_queue;  in grpc_completion_queue_create_for_pluck()
1344     ) -> *mut grpc_completion_queue;  in grpc_completion_queue_create_for_callback()
1352     ) -> *mut grpc_completion_queue;  in grpc_completion_queue_create()
1357         cq: *mut grpc_completion_queue,  in grpc_completion_queue_next()
1365         cq: *mut grpc_completion_queue,  in grpc_completion_queue_pluck()
1373     pub fn grpc_completion_queue_shutdown(cq: *mut grpc_completion_queue);  in grpc_completion_queue_shutdown()
1377     pub fn grpc_completion_queue_destroy(cq: *mut grpc_completion_queue);  in grpc_completion_queue_destroy()
1381     pub fn grpc_completion_queue_thread_local_cache_init(cq: *mut grpc_completion_queue);  in grpc_completion_queue_thread_local_cache_init()
1386         cq: *mut grpc_completion_queue,  in grpc_completion_queue_thread_local_cache_flush()
1410         cq: *mut grpc_completion_queue,  in grpc_channel_watch_connectivity_state()
1426         completion_queue: *mut grpc_completion_queue,  in grpc_channel_create_call()
1448         completion_queue: *mut grpc_completion_queue,  in grpc_channel_create_registered_call()
1572         cq_bound_to_call: *mut grpc_completion_queue,  in grpc_server_request_call()
1573         cq_for_notification: *mut grpc_completion_queue,  in grpc_server_request_call()
1605         cq_bound_to_call: *mut grpc_completion_queue,  in grpc_server_request_registered_call()
1606         cq_for_notification: *mut grpc_completion_queue,  in grpc_server_request_registered_call()
1621         cq: *mut grpc_completion_queue,  in grpc_server_register_completion_queue()
1682         cq: *mut grpc_completion_queue,  in grpc_server_shutdown_and_notify()
3034         cq: *mut grpc_completion_queue,  in grpcwrap_channel_create_call()
3184         cq: *mut grpc_completion_queue,  in grpcwrap_server_request_call()