{"ast_node_type":"impl","tokens":[{"end":115,"kind":"keyword","start":0,"text":"//"}]}
                        // Calls to methods with an `impl Into<{D,Subd}iagMessage>` parameter must be passed an arg
                    {
                        // with type `{D,Subd}iagMessage` or `impl Into<{D,Subd}iagMessage>`. Otherwise, emit an