/* Declare trace scope and type aliases. */
append_metadata_fragment(trace_class_tsdl);
tsdl_trace_environment_visitor environment_visitor;
trace_class.accept(environment_visitor);
/* Declare trace scope and type aliases. */
append_metadata_fragment(trace_class_tsdl);
tsdl_trace_environment_visitor environment_visitor;
trace_class.accept(environment_visitor);