import { Deserializable, GetSerialized, Serializable } from "@skeldjs/protocol";
import { PacketContext, Perspective } from "../../worker";
import { Plugin } from "../../handlers";
import { MethodDecorator } from "../types";
/**
 * The direction that a message filter for a perspective is going.
 */
export declare enum MessageFilterDirection {
    /**
     * The message is going _to_ the perspective, either from the main room or
     * another perspective,
     */
    Incoming = 0,
    /**
     * The message is coming _from_ the perspective, to either the main room
     * or another perspective.
     */
    Outgoing = 1
}
export declare type MessageFilterCallback<Message extends Serializable> = (message: Message, perspective: Perspective, direction: MessageFilterDirection, ctx: PacketContext) => any;
export interface PerspectiveFilterRegisteredMessageFilterInfo {
    messageClass: Deserializable;
    handler: MessageFilterCallback<Serializable>;
}
export declare function MessageFilter<T extends Deserializable>(messageClass: T): MethodDecorator<MessageFilterCallback<GetSerialized<T>>>;
export declare function getPerspectiveFilterMessageFilters(pluginCtr: typeof Plugin | Plugin): PerspectiveFilterRegisteredMessageFilterInfo[];