final SearchHit[] hits = searchHits.getHits();
                if (hits.length == 0) {
                    break;
                }

                if (!handler.apply(searchHits)) {
                    break;
                }

                response = client.prepareSearchScroll(scrollId).setScroll(scrollForDelete).execute().actionGet(scrollSearchTimeout);

        }

        try {
            final Template template = handlebars.compile(cacheTemplateName);
            final Context hbsContext = Context.newContext(doc);
            return template.apply(hbsContext);
        } catch (final Exception e) {
            logger.warn("Failed to create a cache response.", e);
        }

        return null;
    }

    /**

    private final Interner<E> interner;

    InternerFunction(Interner<E> interner) {
      this.interner = interner;
    }

    @Override
    public E apply(E input) {
      return interner.intern(input);
    }

    @Override
    public int hashCode() {
      return interner.hashCode();
    }

    @Override

mvn test                                 # Run all tests
mvn test -Dtest=SuggesterTest           # Run specific test
mvn package                              # Package JAR
mvn formatter:format license:format     # Format code and apply licenses
mvn clean jacoco:prepare-agent test jacoco:report  # Generate coverage report
```

### Adding New Features

1. Read related source files and tests
2. Write implementation following existing patterns

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