@Override
             public void addCompletions(@NotNull CompletionParameters parameters,
                                        @NotNull ProcessingContext context,
                                        @NotNull CompletionResultSet resultSet) {
               for (String contribution : allOptions) {
                 resultSet.addElement(LookupElementBuilder.create(contribution));
               }
             }
@Override
             public void addCompletions(@NotNull CompletionParameters parameters,
                                        @NotNull ProcessingContext context,
                                        @NotNull CompletionResultSet resultSet)