Begin switching to JSpecify annotations (#11448)

* Begin switching to JSpecify annotations

* more

* fixes

patches/api/0242-add-DragonEggFormEvent.patch

@@ -6,10 +6,10 @@ Subject: [PATCH] add DragonEggFormEvent
 
 diff --git a/src/main/java/io/papermc/paper/event/block/DragonEggFormEvent.java b/src/main/java/io/papermc/paper/event/block/DragonEggFormEvent.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..695c21a296c6d12e1204eba33b92c44e7c2d98b8
+index 0000000000000000000000000000000000000000..d0549d95985ff08af1fc1e6291e0124b766bf99d
 --- /dev/null
 +++ b/src/main/java/io/papermc/paper/event/block/DragonEggFormEvent.java
-@@ -0,0 +1,55 @@
+@@ -0,0 +1,53 @@
 +package io.papermc.paper.event.block;
 +
 +import org.bukkit.Material;
@@ -20,7 +20,7 @@ index 0000000000000000000000000000000000000000..695c21a296c6d12e1204eba33b92c44e
 +import org.bukkit.event.HandlerList;
 +import org.bukkit.event.block.BlockFormEvent;
 +import org.jetbrains.annotations.ApiStatus;
-+import org.jetbrains.annotations.NotNull;
++import org.jspecify.annotations.NullMarked;
 +
 +/**
 + * Called when the {@link EnderDragon} is defeated (killed) in a {@link DragonBattle},
@@ -30,6 +30,7 @@ index 0000000000000000000000000000000000000000..695c21a296c6d12e1204eba33b92c44e
 + * <b>This event might be cancelled by default depending on
 + * e.g. {@link DragonBattle#hasBeenPreviouslyKilled()} and server configuration.</b>
 + */
++@NullMarked
 +public class DragonEggFormEvent extends BlockFormEvent {
 +
 +    private static final HandlerList HANDLER_LIST = new HandlerList();
@@ -37,7 +38,7 @@ index 0000000000000000000000000000000000000000..695c21a296c6d12e1204eba33b92c44e
 +    private final DragonBattle dragonBattle;
 +
 +    @ApiStatus.Internal
-+    public DragonEggFormEvent(@NotNull Block block, @NotNull BlockState newState, @NotNull DragonBattle dragonBattle) {
++    public DragonEggFormEvent(final Block block, final BlockState newState, final DragonBattle dragonBattle) {
 +        super(block, newState);
 +        this.dragonBattle = dragonBattle;
 +    }
@@ -49,18 +50,15 @@ index 0000000000000000000000000000000000000000..695c21a296c6d12e1204eba33b92c44e
 +     *
 +     * @return the dragon battle
 +     */
-+    @NotNull
 +    public DragonBattle getDragonBattle() {
 +        return this.dragonBattle;
 +    }
 +
-+    @NotNull
 +    @Override
 +    public HandlerList getHandlers() {
 +        return HANDLER_LIST;
 +    }
 +
-+    @NotNull
 +    public static HandlerList getHandlerList() {
 +        return HANDLER_LIST;
 +    }