import { Tween } from './Tween.js';
/**
 * This class represents a running tween for a specific target object.
 * It manages the execution of actions and tweens associated with the tween.
 * Don't instantiate this manually.
 * @template T - The type of the target object.
 */
export declare class RunningTween<T = any> {
    /**
      * Indicates whether the execution of the running tween is paused.
      * If set to `true`, the tween will not progress until it is resumed.
      */
    paused: boolean;
    /**
       * The time scale factor for the running tween.
       * It determines the speed at which the tween progresses.
       * A value of `1` represents normal speed, while `0.5` would be half-speed, and `2` would be double-speed.
       */
    timeScale: number;
    /**
       * Indicates whether the running tween has finished executing.
       */
    get finished(): boolean;
    /**
       * Don't instantiate this manually.
       */
    constructor(target: T, tween: Tween<T>);
    /**
      * Set the time scale for the running tween.
      * @param value - The time scale value to apply.
      * @returns The updated RunningTween instance.
      */
    setTimeScale(value: number): this;
    /**
       * Pause the execution of the running tween.
       */
    pause(): void;
    /**
       * Resume the execution of the running tween if it was paused.
       */
    resume(): void;
    /**
       * Stop the running tween, causing it to finish immediately.
       */
    stop(): void;
    /**
      * Complete the running tween, causing it to finish immediately.
      */
    complete(): void;
    /**
       * Revert the running tween to its initial state (Not implemented yet).
       */
    revert(): void;
}
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