import type { Node, TimelineNodeProperties } from '../main';
import { RawWeakMap } from 'modern-idoc';
import { Element2D } from '../2d';
import { TimelineNode } from '../main';
export declare const linear: (amount: number) => number;
export declare const ease: (amount: number) => number;
export declare const easeIn: (amount: number) => number;
export declare const easeOut: (amount: number) => number;
export declare const easeInOut: (amount: number) => number;
export declare function cubicBezier(x1: number, y1: number, x2: number, y2: number): (amount: number) => number;
export declare const timingFunctions: {
    linear: (amount: number) => number;
    ease: (amount: number) => number;
    easeIn: (amount: number) => number;
    easeOut: (amount: number) => number;
    easeInOut: (amount: number) => number;
};
export type TimingFunctions = typeof timingFunctions;
export type Easing = keyof TimingFunctions | `cubic-bezier(${string})`;
export interface Keyframe {
    easing?: Easing;
    offset?: number;
    [property: string]: string | number | null | undefined;
}
export interface NormalizedKeyframe {
    easing: (amount: number) => number;
    offset: number;
    props: Record<string, any>;
}
export type AnimationEffectMode = 'parent' | 'sibling';
export interface AnimationProperties extends Omit<TimelineNodeProperties, 'renderMode' | 'processMode'> {
    effectMode: AnimationEffectMode;
    loop: boolean;
    keyframes: Keyframe[];
}
export declare class Animation extends TimelineNode {
    effectMode: AnimationEffectMode;
    keyframes: Keyframe[];
    easing: Easing | undefined;
    protected _keyframes: NormalizedKeyframe[];
    protected _isFirstUpdatePosition: boolean;
    protected _cachedProps: RawWeakMap<any, Map<string, any>>;
    protected _stoped: boolean;
    constructor(properties?: Partial<AnimationProperties>, children?: Node[]);
    protected _parented(parent: Node): void;
    protected _unparented(oldParent: Node): void;
    protected _process(): void;
    protected _updateProperty(key: string, value: any, oldValue: any): void;
    protected _getTargets(): Element2D[];
    protected _updateKeyframes(): void;
    commitStyles(): void;
    protected _updateCachedProps(): void;
    protected _parseEasing(easing: Easing | undefined): (amount: number) => number;
    protected _parseKeyframes(currentTime: number, startProps: Map<string, any>): [NormalizedKeyframe, NormalizedKeyframe] | null;
    protected _commitStyle(currentTime: number, target: Element2D, startProps: Map<string, any>, previous: NormalizedKeyframe, current: NormalizedKeyframe): void;
    protected _getDiffValue(name: string, previous: string | undefined, current: string | undefined, weight: number, context: Record<string, any>): any;
    isPlaying(): boolean;
    play(): boolean;
    pause(): boolean;
    stop(): boolean;
    cancel(): void;
}