export type ICurveType = 'basis' | 'basisClosed' | 'basisOpen' | 'bundle' | 'cardinal' | 'cardinalClosed' | 'cardinalOpen' | 'stepBefore' | 'stepAfter' | 'stepClosed' | 'catmullRom' | 'catmullRomClosed' | 'catmullRomOpen' | 'linear' | 'linearClosed' | 'monotoneX' | 'monotoneY' | 'natural' | 'radial' | 'step';
export type MaybePromise<T> = T | PromiseLike<T>;
export interface Releaseable {
    release: (...params: any) => void;
}
export interface IEventElement {
    addEventListener: (<K extends keyof DocumentEventMap>(type: K, listener: (this: Document, ev: DocumentEventMap[K]) => any, options?: boolean | AddEventListenerOptions) => void) & ((type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions) => void);
    on: (<K extends keyof DocumentEventMap>(type: K, listener: (this: Document, ev: DocumentEventMap[K]) => any, options?: boolean | AddEventListenerOptions) => void) & ((type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions) => void);
    once: (<K extends keyof DocumentEventMap>(type: K, listener: (this: Document, ev: DocumentEventMap[K]) => any, options?: boolean | AddEventListenerOptions) => void) & ((type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions) => void);
    removeEventListener: (<K extends keyof DocumentEventMap>(type: K, listener: (this: Document, ev: DocumentEventMap[K]) => any, options?: boolean | AddEventListenerOptions) => void) & ((type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions) => void);
    off: (<K extends keyof DocumentEventMap>(type: K, listener: (this: Document, ev: DocumentEventMap[K]) => any, options?: boolean | AddEventListenerOptions) => void) & ((type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions) => void);
    removeAllListeners: (<K extends keyof DocumentEventMap>(type: K) => void) & ((type: string) => void);
    dispatchEvent: (event: any) => boolean;
    emit: (event: any, ...args: any) => boolean;
}
export interface IDomRectLike {
    bottom: number;
    left: number;
    right: number;
    top: number;
    height: number;
    width: number;
    x: number;
    y: number;
}
export type IDirection = 1 | 2;
export type AsArray<T> = T extends any[] ? T : [T];