Begin switching to JSpecify annotations (#11448)

* Begin switching to JSpecify annotations

* more

* fixes

patches/api/0104-WitchReadyPotionEvent.patch

@@ -7,10 +7,10 @@ Control what potion the witch readies to use
 
 diff --git a/src/main/java/com/destroystokyo/paper/event/entity/WitchReadyPotionEvent.java b/src/main/java/com/destroystokyo/paper/event/entity/WitchReadyPotionEvent.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..7feca06e72bd585bbfa219df38a2161b77e8d4c4
+index 0000000000000000000000000000000000000000..bda48563cc9e00bd9a537ddec0c730b5e784c9a4
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/event/entity/WitchReadyPotionEvent.java
-@@ -0,0 +1,68 @@
+@@ -0,0 +1,65 @@
 +package com.destroystokyo.paper.event.entity;
 +
 +import org.bukkit.entity.Witch;
@@ -19,23 +19,23 @@ index 0000000000000000000000000000000000000000..7feca06e72bd585bbfa219df38a2161b
 +import org.bukkit.event.entity.EntityEvent;
 +import org.bukkit.inventory.ItemStack;
 +import org.jetbrains.annotations.ApiStatus;
-+import org.jetbrains.annotations.NotNull;
-+import org.jetbrains.annotations.Nullable;
++import org.jspecify.annotations.NullMarked;
++import org.jspecify.annotations.Nullable;
 +
++@NullMarked
 +public class WitchReadyPotionEvent extends EntityEvent implements Cancellable {
 +
 +    private static final HandlerList HANDLER_LIST = new HandlerList();
 +
-+    private ItemStack potion;
++    private @Nullable ItemStack potion;
 +    private boolean cancelled;
 +
 +    @ApiStatus.Internal
-+    public WitchReadyPotionEvent(@NotNull Witch witch, @Nullable ItemStack potion) {
++    public WitchReadyPotionEvent(final Witch witch, final @Nullable ItemStack potion) {
 +        super(witch);
 +        this.potion = potion;
 +    }
 +
-+    @NotNull
 +    @Override
 +    public Witch getEntity() {
 +        return (Witch) super.getEntity();
@@ -44,8 +44,7 @@ index 0000000000000000000000000000000000000000..7feca06e72bd585bbfa219df38a2161b
 +    /**
 +     * @return the potion the witch is readying to use
 +     */
-+    @Nullable
-+    public ItemStack getPotion() {
++    public @Nullable ItemStack getPotion() {
 +        return this.potion;
 +    }
 +
@@ -54,7 +53,7 @@ index 0000000000000000000000000000000000000000..7feca06e72bd585bbfa219df38a2161b
 +     *
 +     * @param potion The potion
 +     */
-+    public void setPotion(@Nullable ItemStack potion) {
++    public void setPotion(final @Nullable ItemStack potion) {
 +        this.potion = potion != null ? potion.clone() : null;
 +    }
 +
@@ -64,17 +63,15 @@ index 0000000000000000000000000000000000000000..7feca06e72bd585bbfa219df38a2161b
 +    }
 +
 +    @Override
-+    public void setCancelled(boolean cancel) {
++    public void setCancelled(final boolean cancel) {
 +        this.cancelled = cancel;
 +    }
 +
-+    @NotNull
 +    @Override
 +    public HandlerList getHandlers() {
 +        return HANDLER_LIST;
 +    }
 +
-+    @NotNull
 +    public static HandlerList getHandlerList() {
 +        return HANDLER_LIST;
 +    }