Begin switching to JSpecify annotations (#11448)

* Begin switching to JSpecify annotations

* more

* fixes

patches/api/EntityMoveEvent.patch

@@ -20,13 +20,14 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +import org.bukkit.event.entity.EntityEvent;
 +import org.bukkit.event.player.PlayerMoveEvent;
 +import org.jetbrains.annotations.ApiStatus;
-+import org.jetbrains.annotations.NotNull;
++import org.jspecify.annotations.NullMarked;
 +
 +/**
 + * Holds information for living entity movement events
 + * <p>
 + * Does not fire for players; use {@link PlayerMoveEvent} for player movement.
 + */
++@NullMarked
 +public class EntityMoveEvent extends EntityEvent implements Cancellable {
 +
 +    private static final HandlerList HANDLER_LIST = new HandlerList();
@@ -37,14 +38,13 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    private boolean cancelled;
 +
 +    @ApiStatus.Internal
-+    public EntityMoveEvent(@NotNull LivingEntity entity, @NotNull Location from, @NotNull Location to) {
++    public EntityMoveEvent(final LivingEntity entity, final Location from, final Location to) {
 +        super(entity);
 +        this.from = from;
 +        this.to = to;
 +    }
 +
 +    @Override
-+    @NotNull
 +    public LivingEntity getEntity() {
 +        return (LivingEntity) super.getEntity();
 +    }
@@ -54,7 +54,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +     *
 +     * @return Location the entity moved from
 +     */
-+    @NotNull
 +    public Location getFrom() {
 +        return this.from;
 +    }
@@ -64,8 +63,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +     *
 +     * @param from New location to mark as the entity's previous location
 +     */
-+    public void setFrom(@NotNull Location from) {
-+        validateLocation(from);
++    public void setFrom(final Location from) {
++        this.validateLocation(from);
 +        this.from = from;
 +    }
 +
@@ -74,7 +73,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +     *
 +     * @return Location the entity moved to
 +     */
-+    @NotNull
 +    public Location getTo() {
 +        return this.to;
 +    }
@@ -84,8 +82,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +     *
 +     * @param to New Location this entity will move to
 +     */
-+    public void setTo(@NotNull Location to) {
-+        validateLocation(to);
++    public void setTo(final Location to) {
++        this.validateLocation(to);
 +        this.to = to;
 +    }
 +
@@ -95,7 +93,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +     * @return whether the entity has changed position or not
 +     */
 +    public boolean hasChangedPosition() {
-+        return hasExplicitlyChangedPosition() || !this.from.getWorld().equals(this.to.getWorld());
++        return this.hasExplicitlyChangedPosition() || !this.from.getWorld().equals(this.to.getWorld());
 +    }
 +
 +    /**
@@ -113,7 +111,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +     * @return whether the entity has moved to a new block or not
 +     */
 +    public boolean hasChangedBlock() {
-+        return hasExplicitlyChangedBlock() || !from.getWorld().equals(to.getWorld());
++        return this.hasExplicitlyChangedBlock() || !this.from.getWorld().equals(this.to.getWorld());
 +    }
 +
 +    /**
@@ -134,7 +132,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +        return this.from.getPitch() != this.to.getPitch() || this.from.getYaw() != this.to.getYaw();
 +    }
 +
-+    private void validateLocation(@NotNull Location loc) {
++    private void validateLocation(final Location loc) {
 +        Preconditions.checkArgument(loc != null, "Cannot use null location!");
 +        Preconditions.checkArgument(loc.getWorld() != null, "Cannot use null location with null world!");
 +    }
@@ -145,17 +143,15 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    }
 +
 +    @Override
-+    public void setCancelled(boolean cancel) {
++    public void setCancelled(final boolean cancel) {
 +        this.cancelled = cancel;
 +    }
 +
 +    @Override
-+    @NotNull
 +    public HandlerList getHandlers() {
 +        return HANDLER_LIST;
 +    }
 +
-+    @NotNull
 +    public static HandlerList getHandlerList() {
 +        return HANDLER_LIST;
 +    }