Move StateMachinePersist up to parent package

spring-statemachine-core/src/main/java/org/springframework/statemachine/StateMachinePersist.java

@@ -13,9 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.statemachine.ensemble;
+package org.springframework.statemachine;
 
-import org.springframework.statemachine.StateMachineContext;
 
 /**
  * {@code StateMachinePersist} is an interface handling serialization

spring-statemachine-recipes/src/main/java/org/springframework/statemachine/recipes/tasks/TasksHandler.java

@@ -29,11 +29,11 @@ import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
 import org.springframework.statemachine.StateContext;
 import org.springframework.statemachine.StateMachine;
 import org.springframework.statemachine.StateMachineException;
+import org.springframework.statemachine.StateMachinePersist;
 import org.springframework.statemachine.action.Action;
 import org.springframework.statemachine.config.StateMachineBuilder;
 import org.springframework.statemachine.config.builders.StateMachineStateConfigurer;
 import org.springframework.statemachine.config.builders.StateMachineTransitionConfigurer;
-import org.springframework.statemachine.ensemble.StateMachinePersist;
 import org.springframework.statemachine.guard.Guard;
 import org.springframework.statemachine.listener.AbstractCompositeListener;
 import org.springframework.statemachine.recipes.support.RunnableAction;

spring-statemachine-zookeeper/src/main/java/org/springframework/statemachine/zookeeper/ZookeeperStateMachineEnsemble.java

@@ -41,10 +41,10 @@ import org.apache.zookeeper.data.Stat;
 import org.springframework.statemachine.StateMachine;
 import org.springframework.statemachine.StateMachineContext;
 import org.springframework.statemachine.StateMachineException;
+import org.springframework.statemachine.StateMachinePersist;
 import org.springframework.statemachine.ensemble.StateMachineEnsemble;
 import org.springframework.statemachine.ensemble.StateMachineEnsembleException;
 import org.springframework.statemachine.ensemble.StateMachineEnsembleObjectSupport;
-import org.springframework.statemachine.ensemble.StateMachinePersist;
 
 /**
  * {@link StateMachineEnsemble} backed by a zookeeper.

spring-statemachine-zookeeper/src/main/java/org/springframework/statemachine/zookeeper/ZookeeperStateMachinePersist.java

@@ -32,7 +32,7 @@ import org.apache.zookeeper.data.Stat;
 import org.springframework.messaging.MessageHeaders;
 import org.springframework.statemachine.StateMachineContext;
 import org.springframework.statemachine.StateMachineException;
-import org.springframework.statemachine.ensemble.StateMachinePersist;
+import org.springframework.statemachine.StateMachinePersist;
 import org.springframework.statemachine.support.DefaultExtendedState;
 import org.springframework.statemachine.support.DefaultStateMachineContext;
 import org.springframework.util.Assert;

spring-statemachine-zookeeper/src/test/java/org/springframework/statemachine/zookeeper/ZookeeperStateMachinePersistTests.java

@@ -28,7 +28,7 @@ import org.junit.Test;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.messaging.MessageHeaders;
 import org.springframework.statemachine.StateMachineContext;
-import org.springframework.statemachine.ensemble.StateMachinePersist;
+import org.springframework.statemachine.StateMachinePersist;
 import org.springframework.statemachine.support.DefaultExtendedState;
 import org.springframework.statemachine.support.DefaultStateMachineContext;