public static boolean isUnspecified(final Command command) {
      return (command == null || command.isUnspecified());
    }
Determines whether the given Locator launcher command has been properly specified. The
command is deemed unspecified if the reference is null or the Command is UNSPECIFIED.

@param command the Locator launcher command.
@return a boolean value indicating whether the Locator launcher command is unspecified.
@see Command#UNSPECIFIED
geode-core/src/main/java/org/apache/geode/distributed/LocatorLauncher.java