import { NumberKeyList } from "../longan/gs.collections";
import { RenderPass } from "./renderPass";
import { RenderLivingObject } from "../objects/renderLivingObject";
export declare class TransparentObjectCollection {
    private owner;
    _items: NumberKeyList<RenderLivingObject>;
    constructor(owner: TransparentPass);
    add(ro: RenderLivingObject): void;
    remove(ro: RenderLivingObject): boolean;
    has(ro: RenderLivingObject): boolean;
    clear(): void;
}
export declare class TransparentPass extends RenderPass {
    typeName: string;
    objects: TransparentObjectCollection;
    _needUpdate: boolean;
    private renderList;
    constructor();
    private update;
    protected render(deltaSeconds: number): void;
}