Begin switching to JSpecify annotations (#11448)

* Begin switching to JSpecify annotations

* more

* fixes

patches/api/0161-BlockDestroyEvent.patch

@@ -12,10 +12,10 @@ This can replace many uses of BlockPhysicsEvent
 
 diff --git a/src/main/java/com/destroystokyo/paper/event/block/BlockDestroyEvent.java b/src/main/java/com/destroystokyo/paper/event/block/BlockDestroyEvent.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..c0742b58ca2c098c27394915b624889ece1a9168
+index 0000000000000000000000000000000000000000..122ccdef02c292c5705a6ac0a96e6095d28bd7bf
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/event/block/BlockDestroyEvent.java
-@@ -0,0 +1,122 @@
+@@ -0,0 +1,120 @@
 +package com.destroystokyo.paper.event.block;
 +
 +import org.bukkit.block.Block;
@@ -24,7 +24,7 @@ index 0000000000000000000000000000000000000000..c0742b58ca2c098c27394915b624889e
 +import org.bukkit.event.HandlerList;
 +import org.bukkit.event.block.BlockExpEvent;
 +import org.jetbrains.annotations.ApiStatus;
-+import org.jetbrains.annotations.NotNull;
++import org.jspecify.annotations.NullMarked;
 +
 +/**
 + * Fired anytime the server intends to 'destroy' a block through some triggering reason.
@@ -36,11 +36,12 @@ index 0000000000000000000000000000000000000000..c0742b58ca2c098c27394915b624889e
 + * <p>
 + * Events such as leaves decaying, pistons retracting (where the block is moving), does NOT fire this event.
 + */
++@NullMarked
 +public class BlockDestroyEvent extends BlockExpEvent implements Cancellable {
 +
 +    private static final HandlerList HANDLER_LIST = new HandlerList();
 +
-+    @NotNull private final BlockData newState;
++    private final BlockData newState;
 +    private boolean willDrop;
 +    private boolean playEffect = true;
 +    private BlockData effectBlock;
@@ -48,7 +49,7 @@ index 0000000000000000000000000000000000000000..c0742b58ca2c098c27394915b624889e
 +    private boolean cancelled;
 +
 +    @ApiStatus.Internal
-+    public BlockDestroyEvent(@NotNull Block block, @NotNull BlockData newState, @NotNull BlockData effectBlock, int xp, boolean willDrop) {
++    public BlockDestroyEvent(final Block block, final BlockData newState, final BlockData effectBlock, final int xp, final boolean willDrop) {
 +        super(block, xp);
 +        this.newState = newState;
 +        this.effectBlock = effectBlock;
@@ -60,7 +61,6 @@ index 0000000000000000000000000000000000000000..c0742b58ca2c098c27394915b624889e
 +     *
 +     * @return block break effect
 +     */
-+    @NotNull
 +    public BlockData getEffectBlock() {
 +        return this.effectBlock;
 +    }
@@ -72,14 +72,14 @@ index 0000000000000000000000000000000000000000..c0742b58ca2c098c27394915b624889e
 +     *
 +     * @param effectBlock block effect
 +     */
-+    public void setEffectBlock(@NotNull BlockData effectBlock) {
++    public void setEffectBlock(final BlockData effectBlock) {
 +        this.effectBlock = effectBlock;
 +    }
 +
 +    /**
 +     * @return The new state of this block (Air, or a Fluid type)
 +     */
-+    public @NotNull BlockData getNewState() {
++    public BlockData getNewState() {
 +        return this.newState.clone();
 +    }
 +
@@ -93,7 +93,7 @@ index 0000000000000000000000000000000000000000..c0742b58ca2c098c27394915b624889e
 +    /**
 +     * @param willDrop If the server is going to drop the block in question with this destroy event
 +     */
-+    public void setWillDrop(boolean willDrop) {
++    public void setWillDrop(final boolean willDrop) {
 +        this.willDrop = willDrop;
 +    }
 +
@@ -107,7 +107,7 @@ index 0000000000000000000000000000000000000000..c0742b58ca2c098c27394915b624889e
 +    /**
 +     * @param playEffect If the server should play the sound effect for this destruction
 +     */
-+    public void setPlayEffect(boolean playEffect) {
++    public void setPlayEffect(final boolean playEffect) {
 +        this.playEffect = playEffect;
 +    }
 +
@@ -123,17 +123,15 @@ index 0000000000000000000000000000000000000000..c0742b58ca2c098c27394915b624889e
 +     * If the event is cancelled, the block will remain in its previous state.
 +     */
 +    @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;
 +    }