@Override
  public void fillCompletionVariants(@NotNull CompletionParameters parameters,
                                     @NotNull String prefix,
                                     @NotNull CompletionResultSet result) {
    addCachedItems(parameters, prefix, result);
    addNonCachedItems(parameters, prefix, result);
  }
@Override
  public void fillCompletionVariants(@NotNull CompletionParameters parameters,
                                     @NotNull String prefix,
                                     @NotNull CompletionResultSet result)