import { Control, IControlParams } from "./Control";
import { CameraFrameHandler } from "./CameraFrameHandler";
import { EntityCollection } from "../entity";
import { RenderNode } from '../scene/RenderNode';
export interface ICameraFrameComposerParams extends IControlParams {
    frameHandlers?: CameraFrameHandler[];
}
export declare class CameraFrameComposer extends Control {
    readonly _frameHandlers: CameraFrameHandler[];
    protected _cameraLayer: EntityCollection;
    protected _cameraScene: RenderNode;
    constructor(params?: ICameraFrameComposerParams);
    get frameHandlers(): CameraFrameHandler[];
    add(handler: CameraFrameHandler): void;
    oninit(): void;
    activate(): void;
    deactivate(): void;
    protected _onPostdraw: () => void;
}