private void addCachedItems(@NotNull CompletionParameters parameters, @NotNull String prefix, @NotNull CompletionResultSet result) {
    Collection<T> items = getItems(prefix, true, parameters);
    addCompletionElements(result, this, items, -10000);
  }
private void addCachedItems(@NotNull CompletionParameters parameters, @NotNull String prefix, @NotNull CompletionResultSet result)