import { MessageFunctionType, Result } from '../types';
export interface IsLatLongErrors {
    TARGET_ARGUMENT_NOT_A_STRING: MessageFunctionType;
}
export declare const IS_LATLONG_ERRORS: IsLatLongErrors;
export interface IsLatLongOptions {
    checkDMS: boolean;
}
/**
 * Tests whether the `target` string is a valid LatLong
 *
 * ### Example
 * ```
 * expect(isLatLong('(-17.738223, 85.605469)').value).toBeTruthy()
 * ```
 * @param target The target string
 */
export declare function isLatLong(target: string, options?: IsLatLongOptions): Result<boolean | undefined>;