/** @packageDocumentation
 * @module OrbitGT
 */
import { CRSEngine } from "../crs/CRSEngine";
import { Bounds } from "../geom/Bounds";
import { Coordinate } from "../geom/Coordinate";
/**
 * Class OnlineEngine implements a CRS engine that reads CRS declarations from an online server.
 */
/** @internal */
export declare class OnlineEngine extends CRSEngine {
    /** The optional online registry */
    private _onlineRegistry;
    /**
       * Create a new online engine.
       * @return the new engine.
       */
    static create(): Promise<OnlineEngine>;
    /**
       * Create a new engine.
       */
    private constructor();
    /**
       * Set the online registry to the engine.
       * @param onlineRegistry the registry to add.
       */
    private setOnlineRegistry;
    /**
       * CRSEngine method.
       */
    prepareForArea(crs: string, area: Bounds): Promise<Bounds>;
    /**
       * CRSEngine method.
       */
    transformPoint(point: Coordinate, sourceCRS: string, targetCRS: string): Coordinate;
    /**
       * CRSEngine method.
       */
    isGeocentricCRS(crs: string): boolean;
    /**
       * CRSEngine method.
       */
    isGeographicCRS(crs: string): boolean;
    /**
       * CRSEngine method.
       */
    isProjectedCRS(crs: string): boolean;
}
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