844 pub struct grpc_completion_queue {  struct
845     _unused: [u8; 0],
1704     ) -> *mut grpc_completion_queue;  in grpc_completion_queue_create_for_next()
1711     ) -> *mut grpc_completion_queue;  in grpc_completion_queue_create_for_pluck()
1720     ) -> *mut grpc_completion_queue;  in grpc_completion_queue_create_for_callback()
1728     ) -> *mut grpc_completion_queue;  in grpc_completion_queue_create()
1740         cq: *mut grpc_completion_queue,  in grpc_completion_queue_next()
1758         cq: *mut grpc_completion_queue,  in grpc_completion_queue_pluck()
1772     pub fn grpc_completion_queue_shutdown(cq: *mut grpc_completion_queue);  in grpc_completion_queue_shutdown()
1777     pub fn grpc_completion_queue_destroy(cq: *mut grpc_completion_queue);  in grpc_completion_queue_destroy()
1783     pub fn grpc_completion_queue_thread_local_cache_init(cq: *mut grpc_completion_queue);  in grpc_completion_queue_thread_local_cache_init()
1791         cq: *mut grpc_completion_queue,  in grpc_completion_queue_thread_local_cache_flush()
1821         cq: *mut grpc_completion_queue,  in grpc_channel_watch_connectivity_state()
1843         completion_queue: *mut grpc_completion_queue,  in grpc_channel_create_call()
1868         completion_queue: *mut grpc_completion_queue,  in grpc_channel_create_registered_call()
2032         cq_bound_to_call: *mut grpc_completion_queue,  in grpc_server_request_call()
2033         cq_for_notification: *mut grpc_completion_queue,  in grpc_server_request_call()
2073         cq_bound_to_call: *mut grpc_completion_queue,  in grpc_server_request_registered_call()
2074         cq_for_notification: *mut grpc_completion_queue,  in grpc_server_request_registered_call()
2098         cq: *mut grpc_completion_queue,  in grpc_server_register_completion_queue()
2162         cq: *mut grpc_completion_queue,  in grpc_server_shutdown_and_notify()
3904         cq: *mut grpc_completion_queue,  in grpcwrap_channel_create_call()
4055         cq: *mut grpc_completion_queue,  in grpcwrap_server_request_call()