import { LocationV1 } from "../data/version1";
/**
 * This is utility class that help works with coordinates and convert their to QTH locators
 */
export declare class FireMapUtil {
    private static _appendLoc;
    private static _locatorSym;
    static composeTileLocByZoom(loc: string, zoom: number): string;
    /**
     * Rounds the locator up to a specific zoom.
     * @param loc QTH locator
     * @param zoom zoom value
     */
    static getLocByZoom(loc: string, zoom: number): string;
    /**
     * Convert lat, long to QTH locator
     * @param location QTH locator with 10 symbols
     */
    static getLocator(location: LocationV1): string;
    /**
     * Calculates the positions of the extreme corners of the locator
     *
     * @param loc QTH locator
     * @param zoom symbol position inside locator (locator zoom)
     * @param invertAngles flag for returns left bottom and right top angles
     * @returns location array [from, to] (left top and right bottom)
     */
    static getLocatorCoordinates(loc: string, zoom: number, invertAngles?: boolean): LocationV1[];
    static locatorToPolar(loc: string): LocationV1;
    static calcCenterCoordinates(from: LocationV1, to: LocationV1): LocationV1;
}