Finish converting most of the undeprecated api to jspecify

patches/api/PlayerAttemptPickupItemEvent.patch

@@ -17,16 +17,17 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +import org.bukkit.event.Cancellable;
 +import org.bukkit.event.HandlerList;
 +import org.jetbrains.annotations.ApiStatus;
-+import org.jetbrains.annotations.NotNull;
++import org.jspecify.annotations.NullMarked;
 +
 +/**
 + * Thrown when a player attempts to pick an item up from the ground
 + */
++@NullMarked
 +public class PlayerAttemptPickupItemEvent extends PlayerEvent implements Cancellable {
 +
 +    private static final HandlerList HANDLER_LIST = new HandlerList();
 +
-+    @NotNull private final Item item;
++    private final Item item;
 +    private final int remaining;
 +    private boolean flyAtPlayer = true;
 +
@@ -34,12 +35,12 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +
 +    @Deprecated // Remove in 1.13 // Remove in 1.14?
 +    @ApiStatus.Internal
-+    public PlayerAttemptPickupItemEvent(@NotNull final Player player, @NotNull final Item item) {
++    public PlayerAttemptPickupItemEvent(final Player player, final Item item) {
 +        this(player, item, 0);
 +    }
 +
 +    @ApiStatus.Internal
-+    public PlayerAttemptPickupItemEvent(@NotNull final Player player, @NotNull final Item item, final int remaining) {
++    public PlayerAttemptPickupItemEvent(final Player player, final Item item, final int remaining) {
 +        super(player);
 +        this.item = item;
 +        this.remaining = remaining;
@@ -50,7 +51,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +     *
 +     * @return Item
 +     */
-+    @NotNull
 +    public Item getItem() {
 +        return this.item;
 +    }
@@ -95,13 +95,11 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +        this.flyAtPlayer = !cancel;
 +    }
 +
-+    @NotNull
 +    @Override
 +    public HandlerList getHandlers() {
 +        return HANDLER_LIST;
 +    }
 +
-+    @NotNull
 +    public static HandlerList getHandlerList() {
 +        return HANDLER_LIST;
 +    }