[ci skip] Cleanup events (#10202)

patches/api/PlayerTeleportEndGatewayEvent.patch

@@ -17,14 +17,17 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +import org.bukkit.block.EndGateway;
 +import org.bukkit.entity.Player;
 +import org.bukkit.event.player.PlayerTeleportEvent;
++import org.jetbrains.annotations.ApiStatus;
 +import org.jetbrains.annotations.NotNull;
 +
 +/**
 + * Fired when a teleport is triggered for an End Gateway
 + */
 +public class PlayerTeleportEndGatewayEvent extends PlayerTeleportEvent {
++
 +    @NotNull private final EndGateway gateway;
 +
++    @ApiStatus.Internal
 +    public PlayerTeleportEndGatewayEvent(@NotNull Player player, @NotNull Location from, @NotNull Location to, @NotNull EndGateway gateway) {
 +        super(player, from, to, PlayerTeleportEvent.TeleportCause.END_GATEWAY);
 +        this.gateway = gateway;
@@ -37,6 +40,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +     */
 +    @NotNull
 +    public EndGateway getGateway() {
-+        return gateway;
++        return this.gateway;
 +    }
 +}