Begin switching to JSpecify annotations (#11448)

* Begin switching to JSpecify annotations

* more

* fixes

patches/api/Added-ServerResourcesReloadedEvent.patch

@@ -15,13 +15,14 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +import org.bukkit.event.HandlerList;
 +import org.bukkit.event.server.ServerEvent;
 +import org.jetbrains.annotations.ApiStatus;
-+import org.jetbrains.annotations.NotNull;
++import org.jspecify.annotations.NullMarked;
 +
 +/**
 + * Called when resources such as datapacks are reloaded (e.g. /minecraft:reload)
 + * <p>
 + * Intended for use to re-register custom recipes, advancements that may be lost during a reload like this.
 + */
++@NullMarked
 +public class ServerResourcesReloadedEvent extends ServerEvent {
 +
 +    public static final HandlerList HANDLER_LIST = new HandlerList();
@@ -29,7 +30,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    private final Cause cause;
 +
 +    @ApiStatus.Internal
-+    public ServerResourcesReloadedEvent(@NotNull Cause cause) {
++    public ServerResourcesReloadedEvent(final Cause cause) {
 +        this.cause = cause;
 +    }
 +
@@ -38,17 +39,14 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +     *
 +     * @return the reload cause
 +     */
-+    @NotNull
 +    public Cause getCause() {
 +        return this.cause;
 +    }
 +
-+    @NotNull
 +    public static HandlerList getHandlerList() {
 +        return HANDLER_LIST;
 +    }
 +
-+    @NotNull
 +    @Override
 +    public HandlerList getHandlers() {
 +        return HANDLER_LIST;