Begin switching to JSpecify annotations (#11448)

* Begin switching to JSpecify annotations

* more

* fixes

patches/api/EndermanEscapeEvent.patch

@@ -20,22 +20,22 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +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;
 +
++@NullMarked
 +public class EndermanEscapeEvent extends EntityEvent implements Cancellable {
 +
 +    private static final HandlerList HANDLER_LIST = new HandlerList();
 +
-+    @NotNull private final Reason reason;
++    private final Reason reason;
 +    private boolean cancelled;
 +
 +    @ApiStatus.Internal
-+    public EndermanEscapeEvent(@NotNull Enderman entity, @NotNull Reason reason) {
++    public EndermanEscapeEvent(final Enderman entity, final Reason reason) {
 +        super(entity);
 +        this.reason = reason;
 +    }
 +
-+    @NotNull
 +    @Override
 +    public Enderman getEntity() {
 +        return (Enderman) super.getEntity();
@@ -44,7 +44,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    /**
 +     * @return The reason the enderman is trying to escape
 +     */
-+    @NotNull
 +    public Reason getReason() {
 +        return this.reason;
 +    }
@@ -57,21 +56,19 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    /**
 +     * Cancels the escape.
 +     * <p>
-+     * If this escape normally would of resulted in damage avoidance such as indirect,
++     * If this escape normally had resulted in damage avoidance such as indirect,
 +     * the enderman will now take damage.
 +     */
 +    @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;
 +    }