Javadoc.

common/src/main/java/it/crystalnest/nightworld/mixin/EntityMixin.java

@@ -13,6 +13,9 @@
 
 import java.util.Optional;
 
+/**
+ * Injects into {@link Entity} to implement {@link EntityPortal}.
+ */
 @Mixin(Entity.class)
 public abstract class EntityMixin implements EntityPortal {
   /**
@@ -23,12 +26,22 @@ public abstract class EntityMixin implements EntityPortal {
 
   /**
    * Shadowed {@link Entity#getRelativePortalPosition(Direction.Axis, BlockUtil.FoundRectangle)}.
+   *
+   * @param axis portal alignment (X or Z).
+   * @param rectangle portal frame.
+   * @return relative portal position.
    */
   @Shadow
   protected abstract Vec3 getRelativePortalPosition(Direction.Axis axis, BlockUtil.FoundRectangle rectangle);
 
   /**
    * Shadowed {@link Entity#getExitPortal(ServerLevel, BlockPos, boolean, WorldBorder)}.
+   *
+   * @param destination dimension.
+   * @param pos position.
+   * @param destIsNether whether the destination is the Nether.
+   * @param worldBorder world border.
+   * @return optional portal frame.
    */
   @Shadow
   protected abstract Optional<BlockUtil.FoundRectangle> getExitPortal(ServerLevel destination, BlockPos pos, boolean destIsNether, WorldBorder worldBorder);

fabric/src/main/java/it/crystalnest/nightworld/mixin/FabricEntityMixin.java

@@ -29,6 +29,8 @@ public abstract class FabricEntityMixin {
 
   /**
    * Shadowed {@link Entity#level}.
+   *
+   * @return level.
    */
   @Shadow
   public abstract Level level();

forge/src/main/java/it/crystalnest/nightworld/mixin/ForgeEntityMixin.java

@@ -20,6 +20,8 @@
 public abstract class ForgeEntityMixin implements EntityPortal {
   /**
    * Shadowed {@link Entity#level()}.
+   *
+   * @return level.
    */
   @Shadow
   public abstract Level level();

neoforge/src/main/java/it/crystalnest/nightworld/mixin/NeoForgeEntityMixin.java

@@ -20,6 +20,8 @@
 public abstract class NeoForgeEntityMixin implements EntityPortal {
   /**
    * Shadowed {@link Entity#level()}.
+   *
+   * @return level.
    */
   @Shadow
   public abstract Level level();