@Override
             protected void addCompletions(@NotNull CompletionParameters parameters,
                                           @NotNull ProcessingContext context,
                                           @NotNull CompletionResultSet result) {
               final XPathFunctionCall call = (XPathFunctionCall)parameters.getPosition().getParent();
               addResult(result, CompletionLists.getNodeTypeCompletions(call), parameters);
             }
@Override
             protected void addCompletions(@NotNull CompletionParameters parameters,
                                           @NotNull ProcessingContext context,
                                           @NotNull CompletionResultSet result)