Marked Handler as internal

eco-api/src/main/java/com/willfp/eco/core/Eco.java

@@ -1,6 +1,5 @@
 package com.willfp.eco.core;
 
-import lombok.Getter;
 import lombok.experimental.UtilityClass;
 import org.apache.commons.lang.Validate;
 import org.jetbrains.annotations.ApiStatus;
@@ -15,26 +14,39 @@ import org.jetbrains.annotations.NotNull;
 public class Eco {
     /**
      * Instance of eco handler.
-     * <p>
-     * The handler is, in essence, a way to interface between the eco-api
-     * frontend module, and the eco-backend implementations.
-     * <p>
-     * There shouldn't really be any reason to ever use the handler
-     * in your own plugins, but if you want to then you can - it's
-     * just a part of the API like any other.
      */
-    @Getter
+    @ApiStatus.Internal
     private Handler handler;
 
-    /**
-     * Set the handler.
-     *
-     * @param handler The handler.
-     */
+
     @ApiStatus.Internal
     public void setHandler(@NotNull final Handler handler) {
         Validate.isTrue(Eco.handler == null, "Already initialized!");
 
         Eco.handler = handler;
     }
+
+    /**
+     * Get the instance of the eco handler.
+     * <p>
+     * The handler is, in essence, a way to interface between the eco-api
+     * frontend module, and the eco-backend implementations.
+     * <p>
+     * There shouldn't really be any reason to ever use the handler
+     * in your own plugins, and you are likely to break things. All parts of
+     * the handler are abstracted into logically named parts of the API.
+     * <p>
+     * In versions of eco before 6.12.0, the handler was considered part of
+     * the eco API, however it has since been moved into an internal component
+     * that shouldn't be used in your plugins.
+     *
+     * @return The handler.
+     * @apiNote As of eco 6.12.0, the handler is no longer regarded as part
+     * of the eco API. It is scheduled to be made internal-only *somehow* at
+     * some point in the future.
+     */
+    @ApiStatus.Internal
+    public Handler getHandler() {
+        return handler;
+    }
 }

eco-api/src/main/java/com/willfp/eco/core/Handler.java

@@ -19,6 +19,7 @@ import com.willfp.eco.core.requirement.RequirementFactory;
 import com.willfp.eco.core.scheduling.Scheduler;
 import net.kyori.adventure.platform.bukkit.BukkitAudiences;
 import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -26,8 +27,9 @@ import java.util.List;
 import java.util.logging.Logger;
 
 /**
- * @see Eco
+ * @see Eco#getHandler()
  */
+@ApiStatus.Internal
 public interface Handler {
     /**
      * Create a scheduler.

eco-api/src/main/java/com/willfp/eco/core/PluginDependent.java

@@ -9,7 +9,7 @@ import org.jetbrains.annotations.NotNull;
  *
  * @param <T> The eco plugin type.
  */
-public abstract class PluginDependent<@NotNull T extends EcoPlugin> {
+public abstract class PluginDependent<T extends EcoPlugin> {
     /**
      * The {@link EcoPlugin} that is stored.
      */