pub trait JsonRpcServerTransport<SingleOrBatchRequest: AsRef<SingleOrBatch<JsonRpcRequest>>>: Stream<Item = (SingleOrBatchRequest, Sender<SingleOrBatch<JsonRpcResponse>>)> { }
pub trait JsonRpcServerTransport<SingleOrBatchRequest: AsRef<SingleOrBatch<JsonRpcRequest>>>: Stream<Item = (SingleOrBatchRequest, Sender<SingleOrBatch<JsonRpcResponse>>)> { }