import LRUCache from './LRUCache';
import { GeoJSONMultiPolygon, GeoJSONPolygon, postProcessingOptionsType, returnResultType, TileItem, urlTemplateFunction } from './types';
export declare function allSettled<T>(promiseList: Promise<T>[], urls: string[], isAll?: boolean): Promise<T[]>;
export declare const CancelTaskLRUCache: LRUCache<number>;
export declare function removeTimeOut(id: any): void;
export declare const DEFAULTHEADERS: {
    accept: string;
    'User-Agent': string;
};
export declare function isNil(obj: any): boolean;
export declare function isNumber(value: any): value is number;
export declare function isString(value: any): value is string;
export declare function isFunction(obj: any): boolean;
export declare function getFunctionBody(str: string): string;
export declare function checkArray(url: any | Array<any>): Array<any>;
export declare function isAbsoluteURL(url: string): boolean;
export declare function lnglat2Mercator(coordinates: Array<number>): number[];
export declare function isPolygon(feature: GeoJSONPolygon | GeoJSONMultiPolygon): boolean;
export declare function isEPSG3857(projection: string): projection is "EPSG:3857";
export declare function uuid(): number;
export declare function isImageBitmap(image: any): boolean;
export declare function disposeImage(images: ImageBitmap | ImageBitmap[]): void;
export declare function encodeMapBox(height: number, out?: [number, number, number]): number[];
export declare function rgb2Height(R: number, G: number, B: number): number;
export declare function replaceAll(template: string, key: string, value: string): string;
export declare function checkBuffers(image: any): any[];
export declare function toTileItems(tiles: Array<[number, number, number]>): Array<TileItem>;
export declare function getTileUrl(urlTemplate: string | urlTemplateFunction, x: number, y: number, z: number, subdomains: string[]): string;
export declare function validateSubdomains(urlTemplates: string | string[], subdomains: string[]): boolean;
export declare function getBlankVTTile(): ArrayBuffer;
export declare function copyArrayBuffer(buffer: ArrayBuffer): ArrayBuffer;
export declare function needFormatImageType(options: returnResultType): boolean;
export declare function needPostProcessingImage(options: postProcessingOptionsType): string | number | boolean;
export declare function createFetchTileList<T>(urls: string[], options: Record<string, any>, fetchFun: Function): Array<Promise<T>>;
export declare function createUrlTemplateFun(urlTemplate: string | Array<string>): Array<urlTemplateFunction | string>;