@Override
  public void fillCompletionVariants(@NotNull CompletionParameters parameters, final @NotNull CompletionResultSet _result) {
    if (parameters.getCompletionType() == CompletionType.CLASS_NAME ||
      parameters.isExtendedCompletion() && mayContainClassName(parameters)) {
      addAllClasses(parameters, _result);
    }
  }
@Override
  public void fillCompletionVariants(@NotNull CompletionParameters parameters, final @NotNull CompletionResultSet _result)