@Override
  public boolean getAllPossibleValues(List<Completion> completionCandidates, Class<?> dataType,
      String existingData, String optionContext, MethodTarget arg4) {
    Set<String> commandNames = commandManager.getHelper().getCommands();
    for (String string : commandNames) {
      completionCandidates.add(new Completion(string));
    }

    return completionCandidates.size() > 0;
  }
{@link Converter} for {@link GfshHelpCommand#obtainHelp(String)}


@since GemFire 7.0
geode-gfsh/src/main/java/org/apache/geode/management/internal/cli/converters/HelpConverter.java