/**
 * Copyright 2014-present Palantir Technologies
 * @license MIT
 */
import * as d3 from "d3";
import { AttributeToAppliedProjector, SimpleSelection } from "../core/interfaces";
import { IAnimator } from "./animator";
export declare type EaseFn = (normalizedTime: number) => number;
export declare const EaseName: {
    circle: "circle";
    linear: "linear";
    quad: "quad";
    quadIn: "quadIn";
    quadOut: "quadOut";
    quadInOut: "quadInOut";
    cubic: "cubic";
    cubicIn: "cubicIn";
    cubicOut: "cubicOut";
    cubicInOut: "cubicInOut";
    poly: "poly";
    polyIn: "polyIn";
    polyOut: "polyOut";
    polyInOut: "polyInOut";
    sin: "sin";
    sinIn: "sinIn";
    sinOut: "sinOut";
    sinInOut: "sinInOut";
    exp: "exp";
    expIn: "expIn";
    expOut: "expOut";
    expInOut: "expInOut";
    circleIn: "circleIn";
    circleOut: "circleOut";
    circleInOut: "circleInOut";
    bounce: "bounce";
    bounceIn: "bounceIn";
    bounceOut: "bounceOut";
    bounceInOut: "bounceInOut";
    back: "back";
    backIn: "backIn";
    backOut: "backOut";
    backInOut: "backInOut";
    elastic: "elastic";
    elasticIn: "elasticIn";
    elasticOut: "elasticOut";
    elasticInOut: "elasticInOut";
};
/**
 * Known ease types that animator's .ease() methods understand
 */
export declare type EaseName = keyof typeof EaseName;
/**
 * An Animator with easing and configurable durations and delays.
 */
export declare class Easing implements IAnimator {
    /**
     * The default starting delay of the animation in milliseconds
     */
    private static _DEFAULT_START_DELAY_MILLISECONDS;
    /**
     * The default duration of one animation step in milliseconds
     */
    private static _DEFAULT_STEP_DURATION_MILLISECONDS;
    /**
     * The default maximum start delay between each step of an animation
     */
    private static _DEFAULT_ITERATIVE_DELAY_MILLISECONDS;
    /**
     * The default maximum total animation duration
     */
    private static _DEFAULT_MAX_TOTAL_DURATION_MILLISECONDS;
    /**
     * The default easing of the animation
     */
    private static _DEFAULT_EASING_MODE;
    private _startDelay;
    private _stepDuration;
    private _stepDelay;
    private _maxTotalDuration;
    private _easingMode;
    /**
     * Constructs the default animator
     *
     * @constructor
     */
    constructor();
    totalTime(numberOfSteps: number): number;
    animate(selection: SimpleSelection<any>, attrToAppliedProjector: AttributeToAppliedProjector): d3.Transition<any, any, any, any>;
    /**
     * Gets the start delay of the animation in milliseconds.
     *
     * @returns {number} The current start delay.
     */
    startDelay(): number;
    /**
     * Sets the start delay of the animation in milliseconds.
     *
     * @param {number} startDelay The start delay in milliseconds.
     * @returns {Easing} The calling Easing Animator.
     */
    startDelay(startDelay: number): this;
    /**
     * Gets the duration of one animation step in milliseconds.
     *
     * @returns {number} The current duration.
     */
    stepDuration(): number;
    /**
     * Sets the duration of one animation step in milliseconds.
     *
     * @param {number} stepDuration The duration in milliseconds.
     * @returns {Easing} The calling Easing Animator.
     */
    stepDuration(stepDuration: number): this;
    /**
     * Gets the maximum start delay between animation steps in milliseconds.
     *
     * @returns {number} The current maximum iterative delay.
     */
    stepDelay(): number;
    /**
     * Sets the maximum start delay between animation steps in milliseconds.
     *
     * @param {number} stepDelay The maximum iterative delay in milliseconds.
     * @returns {Easing} The calling Easing Animator.
     */
    stepDelay(stepDelay: number): this;
    /**
     * Gets the maximum total animation duration constraint in milliseconds.
     *
     * If the animation time would exceed the specified time, the duration of each step
     * and the delay between each step will be reduced until the animation fits within
     * the specified time.
     *
     * @returns {number} The current maximum total animation duration.
     */
    maxTotalDuration(): number;
    /**
     * Sets the maximum total animation duration constraint in miliseconds.
     *
     * If the animation time would exceed the specified time, the duration of each step
     * and the delay between each step will be reduced until the animation fits within
     * the specified time.
     *
     * @param {number} maxTotalDuration The maximum total animation duration in milliseconds.
     * @returns {Easing} The calling Easing Animator.
     */
    maxTotalDuration(maxTotalDuration: number): this;
    /**
     * Gets the current easing mode of the animation.
     *
     * @returns {string} the current easing mode.
     */
    easingMode(): EaseName | EaseFn;
    /**
     * Sets the easing mode of the animation.
     *
     * @param {string} easingMode The desired easing mode.
     * @returns {Easing} The calling Easing Animator.
     */
    easingMode(easingMode: EaseName | EaseFn): this;
    protected _getEaseFactory(): EaseFn;
    /**
     * Adjust the iterative delay, such that it takes into account the maxTotalDuration constraint
     */
    private _getAdjustedIterativeDelay(numberOfSteps);
}