private Converter<?> converterFor(String converterHint) {
    for (Converter<?> candidate : getConverters()) {
      if (candidate.supports(String.class, converterHint)) {
        return candidate;
      }
    }
    return null;
  }
gets a specific String converter from the list of registered converters
geode-gfsh/src/main/java/org/apache/geode/management/internal/cli/GfshParser.java