import type { Camera, WebGLRenderer } from "three";
import { Scene } from "three";
import type { UILayer } from "../../layers/UILayer/UILayer";
import { UIColor } from "../../miscellaneous/color/UIColor";
import type { UIColorConfig } from "../../miscellaneous/color/UIColor.Internal";
import { UIElement } from "../UIElement/UIElement";
import type { UISceneOptions } from "./UIScene.Internal";
import { UISceneUpdateMode } from "./UIScene.Internal";
/** Renders Three.js scene to texture */
export declare class UIScene extends UIElement {
    private readonly colorInternal;
    private readonly clearColorInternal;
    private readonly renderTarget;
    private sceneInternal;
    private cameraInternal;
    private updateModeInternal;
    private resolutionFactorInternal;
    private evenFrame;
    private updateRequired;
    private resolutionFactorDirty;
    private propertyDirty;
    /**
     * Creates a new UIScene instance.
     *
     * @param layer - Layer containing this element
     * @param options - Configuration options
     * @throws If resolutionFactor outside range 0.1 to 2.0
     */
    constructor(layer: UILayer, options?: Partial<UISceneOptions>);
    /** Camera used for rendering */
    get camera(): Camera;
    /** Background color for render target */
    get clearColor(): UIColor;
    /** Multiplicative tint. Alpha channel controls opacity. */
    get color(): UIColor;
    /** Render target resolution multiplier. Range 0.1 to 2.0. */
    get resolutionFactor(): number;
    /** Three.js scene to render */
    get scene(): Scene;
    /** Controls when scene re-renders */
    get updateMode(): UISceneUpdateMode;
    /** Camera used for rendering */
    set camera(value: Camera);
    /** Background color for render target */
    set clearColor(value: UIColorConfig);
    /** Multiplicative tint. Alpha channel controls opacity. */
    set color(value: UIColorConfig);
    /** Render target resolution multiplier. Range 0.1 to 2.0. */
    set resolutionFactor(value: number);
    /** Three.js scene to render */
    set scene(value: Scene);
    /** Controls when scene re-renders */
    set updateMode(value: UISceneUpdateMode);
    /** Removes element and frees resources */
    destroy(): void;
    /** Triggers re-render on next frame. Useful in MANUAL mode. */
    requestUpdate(): void;
    protected onWillRender(renderer: WebGLRenderer, deltaTime: number): void;
}