called when the library could not be resolved , causing the completion to fail . by default , this method does nothing , but subclasses may override as desired . concode_field_sep PlaceHolder placeHolder concode_field_sep void completionException concode_elem_sep void completionEnd concode_elem_sep void resolveLibraryTime concode_elem_sep void completionBegin concode_elem_sep void visitorNotImplementedYet
void function ( Collection < DartCompilationError > arg0 ) { }