Begin switching to JSpecify annotations (#11448)

* Begin switching to JSpecify annotations

* more

* fixes

patches/api/0077-ExperienceOrb-merging-stacking-API.patch

@@ -12,10 +12,10 @@ Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
 
 diff --git a/src/main/java/com/destroystokyo/paper/event/entity/ExperienceOrbMergeEvent.java b/src/main/java/com/destroystokyo/paper/event/entity/ExperienceOrbMergeEvent.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..c520e5517861c4686806df233d1ef5e6bfb76ad3
+index 0000000000000000000000000000000000000000..5902e6d6c0516a1249c72b405a49dfc5cc490e0e
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/event/entity/ExperienceOrbMergeEvent.java
-@@ -0,0 +1,91 @@
+@@ -0,0 +1,88 @@
 +/*
 + * Copyright (c) 2017 Daniel Ennis (Aikar) MIT License
 + *
@@ -46,22 +46,23 @@ index 0000000000000000000000000000000000000000..c520e5517861c4686806df233d1ef5e6
 +import org.bukkit.event.HandlerList;
 +import org.bukkit.event.entity.EntityEvent;
 +import org.jetbrains.annotations.ApiStatus;
-+import org.jetbrains.annotations.NotNull;
++import org.jspecify.annotations.NullMarked;
 +
 +/**
 + * Fired anytime the server is about to merge 2 experience orbs into one
 + */
++@NullMarked
 +public class ExperienceOrbMergeEvent extends EntityEvent implements Cancellable {
 +
 +    private static final HandlerList HANDLER_LIST = new HandlerList();
 +
-+    @NotNull private final ExperienceOrb mergeTarget;
-+    @NotNull private final ExperienceOrb mergeSource;
++    private final ExperienceOrb mergeTarget;
++    private final ExperienceOrb mergeSource;
 +
 +    private boolean cancelled;
 +
 +    @ApiStatus.Internal
-+    public ExperienceOrbMergeEvent(@NotNull ExperienceOrb mergeTarget, @NotNull ExperienceOrb mergeSource) {
++    public ExperienceOrbMergeEvent(final ExperienceOrb mergeTarget, final ExperienceOrb mergeSource) {
 +        super(mergeTarget);
 +        this.mergeTarget = mergeTarget;
 +        this.mergeSource = mergeSource;
@@ -70,7 +71,6 @@ index 0000000000000000000000000000000000000000..c520e5517861c4686806df233d1ef5e6
 +    /**
 +     * @return The orb that will absorb the other experience orb
 +     */
-+    @NotNull
 +    public ExperienceOrb getMergeTarget() {
 +        return this.mergeTarget;
 +    }
@@ -78,7 +78,6 @@ index 0000000000000000000000000000000000000000..c520e5517861c4686806df233d1ef5e6
 +    /**
 +     * @return The orb that is subject to being removed and merged into the target orb
 +     */
-+    @NotNull
 +    public ExperienceOrb getMergeSource() {
 +        return this.mergeSource;
 +    }
@@ -92,17 +91,15 @@ index 0000000000000000000000000000000000000000..c520e5517861c4686806df233d1ef5e6
 +     * @param cancel {@code true} if you wish to cancel this event, and prevent the orbs from merging
 +     */
 +    @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;
 +    }