import { Vector3, Color3 } from 'babylonjs';
/**
 * Constructor for the tween
 * @param {number} startValue What value does the tween start at
 * @param {number} distance How far does the tween's value advance from the startValue?
 * @param {number} durationMS Amount of time in milliseconds the tween runs for
 * @param {Function} animate What easing function should be used from the easing library?
 * See EasingLibrary for a list of potential easing equations.
 * @param {string} loop Can be left blank, set to loop, or repeat. Loop repeats repeats the animation
 * in reverse every time. Repeat will run the original tween from the beginning
 * @returns {self}
 */
export declare class Tween {
    promise: Promise<void>;
    promiseResolve: Function;
    name: string;
    startTime: number;
    timeStamp: number;
    durationMS: number;
    animationFunction: Function;
    updateFunction: Function;
    minimum: number;
    isCancelled: boolean;
    tweenType: 'move' | 'turn' | 'size' | 'color' | 'opacity' | 'misc';
    /**
     * Has the tween expired yet?
     * @returns {boolean} True if the tween has expired
     */
    expired: Function;
    constructor(name?: string);
    commonStart(timeStamp: number, seconds: number, animate: '1-Begin And End Normally' | '2-Begin Slow, End Fast' | '3-Begin Fast, End Slow' | '4-Begin And End Fast' | '5-Begin And End Slow', updateFunction: Function): Tween;
    /**
     * Rounds the passed number to two decimal places. Prevents large float
     * numbers from being multiplied
     * @param {number} num number you want to round
     * @returns {number} Rounded number
     */
    round(num: number): number;
    /**
     * Retrieves the start time relative to the time passed from the previous start time
     * @returns {number} Start time of the tween relative to time passed
     */
    getStartTime(): number;
    /**
     * Resets the tween and runs it relative to the current time
     * @returns {self}
     */
    reset(): Tween;
}
export declare class NullTween extends Tween {
    constructor(name: string);
    doTween(): Tween;
}
/** a promise that resolves true when the update function returns true */
export declare class MiscTween extends Tween {
    constructor(name: string);
    start(updateFunction: Function): Tween;
    doTween(): Tween;
}
export declare class V3Tween extends Tween {
    startValue: Vector3;
    endValue: Vector3;
    moveValue: Vector3;
    lastDistance: Vector3;
    constructor(name: string);
    start(tweenType: 'move' | 'turn' | 'size' | 'color' | 'opacity' | 'misc', startValue: Vector3, endValue: Vector3, timeStamp: number, seconds: number, animate: '1-Begin And End Normally' | '2-Begin Slow, End Fast' | '3-Begin Fast, End Slow' | '4-Begin And End Fast' | '5-Begin And End Slow', updateFunction: Function): Tween;
    /**
  * Run the tween computation and update whatever it is supposed to
  * @param {number} dateNow is 'Date.now' from the caller (more accurate)
  * @returns {number} Current value of the tween
  */
    doTween(): Tween;
}
export declare class ScalarTween extends Tween {
    startValue: number;
    endValue: number;
    moveValue: number;
    lastDistance: number;
    constructor(name: string);
    start(tweenType: 'move' | 'turn' | 'size' | 'color' | 'opacity' | 'misc', startValue: number, endValue: number, timeStamp: number, seconds: number, animate: '1-Begin And End Normally' | '2-Begin Slow, End Fast' | '3-Begin Fast, End Slow' | '4-Begin And End Fast' | '5-Begin And End Slow', updateFunction: Function): Tween;
    /**
  * Run the tween computation and update whatever it is supposed to
  * @param {number} dateNow is 'Date.now' from the caller (more accurate)
  * @returns {number} Current value of the tween
  */
    doTween(): Tween;
}
export declare class ColorTween extends Tween {
    startValue: Color3;
    distance: Color3;
    lastDistance: Color3;
    constructor(name: string);
    start(tweenType: 'move' | 'turn' | 'size' | 'color' | 'opacity' | 'misc', startValue: Color3, distance: Color3, timeStamp: number, seconds: number, animate: '1-Begin And End Normally' | '2-Begin Slow, End Fast' | '3-Begin Fast, End Slow' | '4-Begin And End Fast' | '5-Begin And End Slow', updateFunction: Function): Tween;
    /** Run the tween computation and update whatever it is supposed to */
    doTween(): Tween;
}