question: did it succeeed ? concode_field_sep T result concode_elem_sep Handler<AsyncResult<T>> handler concode_elem_sep Throwable throwable concode_elem_sep boolean failed concode_elem_sep boolean succeeded concode_field_sep T result concode_elem_sep void checkComplete concode_elem_sep Future<T> setHandler concode_elem_sep void fail concode_elem_sep void fail concode_elem_sep Throwable cause concode_elem_sep Handler<AsyncResult<T>> completer concode_elem_sep void handle concode_elem_sep void handle concode_elem_sep boolean failed concode_elem_sep void complete concode_elem_sep void complete concode_elem_sep void checkCallHandler concode_elem_sep boolean isComplete
target: boolean function ( ) { return succeeded ; }