public Argument setDefaults(final String... newDefaults) {
    if (newDefaults.length != paramNames.length) {
      throw (new IllegalArgumentException(
          "Defaults array length provided is not the correct size"));
    }
    defaults = newDefaults;
    return this;
  }
Sets the default values when no explicit values were provided.

@param newDefaults default values for all argument parameters
@return this argument (for chained calls)
extensions/geode-modules-session/src/main/java/org/apache/geode/modules/session/installer/args/Argument.java