phalcon#13226 cleanup cherry picking mistake

 - adds missing types

phalcon/mvc/model/transactioninterface.zep

@@ -46,7 +46,7 @@ interface TransactionInterface
 	 *
 	 * @return boolean
 	 */
-	public function commit();
+	public function commit() -> boolean;
 
 	/**
 	 * Rollbacks the transaction
@@ -55,7 +55,7 @@ interface TransactionInterface
 	 * @param  Phalcon\Mvc\ModelInterface rollbackRecord
 	 * @return boolean
 	 */
-	public function rollback(rollbackMessage = null, rollbackRecord = null);
+	public function rollback(string rollbackMessage = null, <ModelInterface> rollbackRecord = null);
 
 	/**
 	 * Returns connection related to transaction
@@ -69,35 +69,35 @@ interface TransactionInterface
 	 *
 	 * @param boolean isNew
 	 */
-	public function setIsNewTransaction(isNew);
+	public function setIsNewTransaction(boolean isNew);
 
 	/**
 	 * Sets flag to rollback on abort the HTTP connection
 	 *
 	 * @param boolean rollbackOnAbort
 	 */
-	public function setRollbackOnAbort(rollbackOnAbort);
+	public function setRollbackOnAbort(boolean rollbackOnAbort);
 
 	/**
 	 * Checks whether transaction is managed by a transaction manager
 	 *
 	 * @return boolean
 	 */
-	public function isManaged();
+	public function isManaged() -> boolean;
 
 	/**
 	 * Returns validations messages from last save try
 	 *
 	 * @return array
 	 */
-	public function getMessages();
+	public function getMessages() -> array;
 
 	/**
 	 * Checks whether internal connection is under an active transaction
 	 *
 	 * @return boolean
 	 */
-	public function isValid();
+	public function isValid() -> boolean;
 
 	/**
 	 * Sets object which generates rollback action