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

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