public CommandStringBuilder addOption(String option) {
    buffer.append(OPTION_SEPARATOR);
    buffer.append(OPTION_MARKER);
    buffer.append(option);
    hasOptions = true;
    return this;
  }
- Helper class to build command strings, used in the Dunits for testing gfsh commands

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