package org.jsmpp.util;



/**
 * Is the message_id generator.
 * 
 * @author uudashr
 * @version 1.0
 * @since 1.0
 *
 */
public interface MessageIDGenerator {
	
	/**
	 * Generate message-id, max 65 C-Octet String.
	 * @return
	 */
	public MessageId newMessageId();
}

package org.jsmpp.util;



/**
 * Is the message_id generator.
 * 
 * @author uudashr
 * @version 1.0
 * @since 1.0
 *
 */
public interface MessageIDGenerator {
	
	/**
	 * Generate message-id, max 65 C-Octet String.
	 * @return the generated message id.
	 */
	MessageId newMessageId();
}

Remove the method access modifier on MessageIDGenerator interface