move some utils

Author: JavaSaBr

legacy/src/main/java/javasabr/mqtt/legacy/util/SubscriberUtils.java renamed to model/src/main/java/javasabr/mqtt/model/utils/SubscriberUtils.java

@@ -1,9 +1,9 @@
-package javasabr.mqtt.legacy.util;
+package javasabr.mqtt.model.utils;
 
-import javasabr.mqtt.legacy.model.SharedSubscriber;
-import javasabr.mqtt.legacy.model.SingleSubscriber;
-import javasabr.mqtt.legacy.model.Subscriber;
-import javasabr.mqtt.legacy.network.client.MqttClient;
+import javasabr.mqtt.model.network.MqttClient;
+import javasabr.mqtt.model.subscriber.SharedSubscriber;
+import javasabr.mqtt.model.subscriber.SingleSubscriber;
+import javasabr.mqtt.model.subscriber.Subscriber;
 import org.jspecify.annotations.Nullable;
 
 public class SubscriberUtils {

legacy/src/main/java/javasabr/mqtt/legacy/util/TopicUtils.java renamed to model/src/main/java/javasabr/mqtt/model/utils/TopicUtils.java

@@ -1,8 +1,8 @@
-package javasabr.mqtt.legacy.util;
+package javasabr.mqtt.model.utils;
 
-import javasabr.mqtt.legacy.model.topic.SharedTopicFilter;
-import javasabr.mqtt.legacy.model.topic.TopicFilter;
-import javasabr.mqtt.legacy.model.topic.TopicName;
+import javasabr.mqtt.model.topic.SharedTopicFilter;
+import javasabr.mqtt.model.topic.TopicFilter;
+import javasabr.mqtt.model.topic.TopicName;
 import org.springframework.util.StringUtils;
 
 public class TopicUtils {

model/src/main/java/javasabr/mqtt/model/utils/package-info.java

@@ -0,0 +1,4 @@
+@NullMarked
+package javasabr.mqtt.model.utils;
+
+import org.jspecify.annotations.NullMarked;