question: start a new span with a given name , if already tracing . concode_field_sep PlaceHolder placeHolder concode_field_sep Span trace concode_elem_sep void data concode_elem_sep void offNoFlush concode_elem_sep boolean isTracing concode_elem_sep long currentTraceId concode_elem_sep Span currentTrace concode_elem_sep Runnable wrap concode_elem_sep void off concode_elem_sep Span on concode_elem_sep Span on concode_elem_sep T wrapAll concode_elem_sep T wrapAll
target: Span function ( String arg0 ) { return new Span ( org . apache . htrace . Trace . startSpan ( arg0 ) ) ; }