import * as engine from "@pixelation/engine";
/**
 * A scene switcher, useful for transitioning between multiple scenes
 * in a sequenced fashion.
 *
 * ```ts
 * // Create your switcher with your initial scene.
 * const switcher = new Switcher(sceneA);
 *
 * // Switch to a different scene later.
 * switcher.switch(sceneB, 1_000);
 * ```
 */
export declare class Switcher {
    current: engine.lifecycle.Component;
    target: engine.lifecycle.Component | null;
    private isCurrentInitialized;
    private isTargetInitialized;
    isSwitching: boolean;
    duration: engine.lifecycle.Time;
    private time;
    private front;
    private back;
    constructor(initial: engine.lifecycle.Component);
    update(surface: engine.graphics.Surface, inputs: engine.input.Inputs, audio: engine.audio.Audio, dt: engine.lifecycle.DeltaTime, t: engine.lifecycle.Time): void;
    render(surface: engine.graphics.Surface, inputs: engine.input.Inputs, dt: engine.lifecycle.DeltaTime, t: engine.lifecycle.Time, fps: engine.lifecycle.Fps): void;
    switch(target: engine.lifecycle.Component, duration?: number): void;
}