clean some stuff up

api/src/main/java/us/ajg0702/queue/api/AliasManager.java

@@ -1,5 +1,6 @@
 package us.ajg0702.queue.api;
 
+@SuppressWarnings("unused")
 public interface AliasManager {
     /**
      * Gets an alias from the server/group's name

api/src/main/java/us/ajg0702/queue/api/Logic.java

@@ -4,7 +4,7 @@ import us.ajg0702.queue.api.players.AdaptedPlayer;
 import us.ajg0702.queue.api.players.QueuePlayer;
 import us.ajg0702.queue.api.queues.QueueServer;
 
-import java.util.List;
+@SuppressWarnings({"SameReturnValue", "unused"})
 
 public interface Logic {
     /**
@@ -15,7 +15,6 @@ public interface Logic {
 
     /**
      * The priority logic that is executed if the plugin is premium.
-     * @param list The current queue
      * @param server The server/group name that is being queued for
      * @param player The player that is being queued
      */

api/src/main/java/us/ajg0702/queue/api/LogicGetter.java

@@ -2,6 +2,7 @@ package us.ajg0702.queue.api;
 
 import us.ajg0702.utils.common.Config;
 
+@SuppressWarnings("unused")
 public interface LogicGetter {
     Logic constructLogic();
     AliasManager constructAliasManager(Config config);

api/src/main/java/us/ajg0702/queue/api/PlatformMethods.java

@@ -4,7 +4,6 @@ import us.ajg0702.queue.api.commands.ICommandSender;
 import us.ajg0702.queue.api.players.AdaptedPlayer;
 import us.ajg0702.queue.api.players.QueuePlayer;
 import us.ajg0702.queue.api.queues.QueueServer;
-import us.ajg0702.queue.api.server.AdaptedServer;
 
 public interface PlatformMethods {
     /**
@@ -22,6 +21,7 @@ public interface PlatformMethods {
      * @param channel The (sub)channel
      * @param data The data
      */
+    @SuppressWarnings("EmptyMethod")
     void sendPluginMessage(AdaptedPlayer player, String channel, String... data);
 
     /**

api/src/main/java/us/ajg0702/queue/api/QueueManager.java

@@ -21,6 +21,7 @@ public interface QueueManager {
      * @param serverName The name of the server or group to add the player too
      * @return True if adding was successfull, false if not.
      */
+    @SuppressWarnings("UnusedReturnValue")
     boolean addToQueue(AdaptedPlayer player, String serverName);
 
     /**

api/src/main/java/us/ajg0702/queue/api/commands/IBaseCommand.java

@@ -5,6 +5,7 @@ import us.ajg0702.utils.common.Messages;
 
 import java.util.List;
 
+@SuppressWarnings("unused")
 public interface IBaseCommand {
 
     String getName();

api/src/main/java/us/ajg0702/queue/api/commands/ISubCommand.java

@@ -1,8 +1,4 @@
 package us.ajg0702.queue.api.commands;
 
-import com.google.common.collect.ImmutableList;
-
-import java.util.List;
-
 public interface ISubCommand extends IBaseCommand {
 }

api/src/main/java/us/ajg0702/queue/api/players/AdaptedPlayer.java

@@ -2,6 +2,7 @@ package us.ajg0702.queue.api.players;
 
 import net.kyori.adventure.audience.Audience;
 import net.kyori.adventure.text.Component;
+import org.jetbrains.annotations.NotNull;
 import us.ajg0702.queue.api.server.AdaptedServer;
 import us.ajg0702.queue.api.util.Handle;
 
@@ -10,25 +11,27 @@ import java.util.UUID;
 /**
  * Represents a cross-platform player
  */
+@SuppressWarnings("unused")
 public interface AdaptedPlayer extends Handle, Audience {
 
     /**
      * Check if the plauer is currently connected
      * @return True if connected, false if not
      */
+    @SuppressWarnings("BooleanMethodIsAlwaysInverted")
     boolean isConnected();
 
     /**
      * Send a player a message from a Component
      * @param message The message to send
      */
-    void sendMessage(Component message);
+    void sendMessage(@NotNull Component message);
 
     /**
      * Sends an actionbar message to the player
      * @param message The message to send
      */
-    void sendActionBar(Component message);
+    void sendActionBar(@NotNull Component message);
 
     /**
      * Send a player a message from a string

api/src/main/java/us/ajg0702/queue/api/queues/QueueServer.java

@@ -13,6 +13,7 @@ import java.util.UUID;
 /**
  * Represents a server or a group that can be queued for
  */
+@SuppressWarnings("unused")
 public interface QueueServer {
 
     /**
@@ -52,6 +53,12 @@ public interface QueueServer {
      */
     long getLastSentTime();
 
+    /**
+     * Sets the time the last person was sent
+     * @param lastSentTime the time the last person was sent
+     */
+    void setLastSentTime(long lastSentTime);
+
 
 
     /**
@@ -210,7 +217,7 @@ public interface QueueServer {
      * elliot is bad
      * @return true because elliot is bad
      */
-    @SuppressWarnings("unused")
+    @SuppressWarnings({"unused", "SameReturnValue"})
     default boolean elliot_is_bad() {
         return true;
     }

api/src/main/java/us/ajg0702/queue/api/server/AdaptedServer.java

@@ -5,6 +5,7 @@ import us.ajg0702.queue.api.util.Handle;
 
 import java.util.concurrent.CompletableFuture;
 
+@SuppressWarnings("unused")
 public interface AdaptedServer extends Handle {
 
     /**
@@ -32,6 +33,7 @@ public interface AdaptedServer extends Handle {
      * @param player The player to check
      * @return False if the server is restricted and the player does not have permission to join.
      */
+    @SuppressWarnings("SameReturnValue")
     boolean canAccess(AdaptedPlayer player);
 
 }

api/src/main/java/us/ajg0702/queue/api/server/AdaptedServerPing.java

@@ -3,6 +3,7 @@ package us.ajg0702.queue.api.server;
 import net.kyori.adventure.text.Component;
 import us.ajg0702.queue.api.util.Handle;
 
+@SuppressWarnings("unused")
 public interface AdaptedServerPing extends Handle {
     /**
      * Gets the component of the description (aka MOTD)