public CommandStringBuilder addOptionWithValueCheck(String option, String value) {
    if (StringUtils.isNotBlank(value)) {
      return addOption(option, value);
    }
    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