Begin switching to JSpecify annotations (#11448)

* Begin switching to JSpecify annotations

* more

* fixes

patches/api/Add-whitelist-events.patch

@@ -19,22 +19,23 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +import org.bukkit.event.Event;
 +import org.bukkit.event.HandlerList;
 +import org.jetbrains.annotations.ApiStatus;
-+import org.jetbrains.annotations.NotNull;
++import org.jspecify.annotations.NullMarked;
 +
 +/**
 + * This event gets called when the whitelist status of a player is changed
 + */
++@NullMarked
 +public class WhitelistStateUpdateEvent extends Event implements Cancellable {
 +
 +    private static final HandlerList HANDLER_LIST = new HandlerList();
 +
-+    @NotNull private final PlayerProfile playerProfile;
-+    @NotNull private final WhitelistStatus status;
++    private final PlayerProfile playerProfile;
++    private final WhitelistStatus status;
 +
 +    private boolean cancelled;
 +
 +    @ApiStatus.Internal
-+    public WhitelistStateUpdateEvent(@NotNull PlayerProfile playerProfile, @NotNull WhitelistStatus status) {
++    public WhitelistStateUpdateEvent(final PlayerProfile playerProfile, final WhitelistStatus status) {
 +        this.playerProfile = playerProfile;
 +        this.status = status;
 +    }
@@ -44,7 +45,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +     *
 +     * @return the player whose status is being changed
 +     */
-+    @NotNull
 +    public OfflinePlayer getPlayer() {
 +        return Bukkit.getOfflinePlayer(this.playerProfile.getId());
 +    }
@@ -54,7 +54,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +     *
 +     * @return the player profile whose status is being changed
 +     */
-+    @NotNull
 +    public PlayerProfile getPlayerProfile() {
 +        return this.playerProfile;
 +    }
@@ -64,7 +63,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +     *
 +     * @return the whitelist status
 +     */
-+    @NotNull
 +    public WhitelistStatus getStatus() {
 +        return this.status;
 +    }
@@ -75,17 +73,15 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    }
 +
 +    @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;
 +    }