import Extent, { JsonExtent } from '../../geo/Extent';
import * as projections from '../../geo/projection';
import type { ProjectionType } from '../../geo/projection';
import Transformation from '../../geo/transformation/Transformation';
export type FullExtent = {
    top: number;
    left: number;
    bottom: number;
    right: number;
};
export type SpatialReferenceType = {
    projection: string | ProjectionType;
    resolutions?: number[];
    fullExtent?: FullExtent | JsonExtent;
};
/**
 * 空间参考类
 *
 * @english
 * SpatialReference Class
 */
export default class SpatialReference {
    options: SpatialReferenceType;
    isEPSG: boolean;
    json: SpatialReferenceType;
    constructor(options?: SpatialReferenceType);
    static registerPreset(name: string, value: SpatialReferenceType): void;
    static getPreset(preset: string): SpatialReferenceType;
    static getAllPresets(): string[];
    static loadArcgis(url: string, cb: (_: any, spatialRef?: any) => void, options?: any): typeof SpatialReference;
    static loadWMTS(url: string, cb: (_: any, spatialRef?: any) => void, options?: any): typeof SpatialReference;
    /**
     * 获取投影类实例对象
     *
     * @english
     * get Projection Class instance
     * @param projection
     * @returns
     */
    static getProjectionInstance(projection?: string | ProjectionType): any;
    static equals(sp1: SpatialReferenceType, sp2: SpatialReferenceType): boolean;
    getResolutions(): number[];
    getResolution(zoom: number): number;
    getProjection(): projections.ProjectionType;
    getFullExtent(): Extent;
    getTransformation(): Transformation;
    getMinZoom(): number;
    getMaxZoom(): number;
    getZoomDirection(): number;
    toJSON(): SpatialReferenceType;
    isPyramid(): boolean;
}
export declare function getDefaultSpatialReference(): Record<string, SpatialReferenceType>;
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