declare function isBoolean(value: any): boolean;
declare function isNumber(value: any): boolean;
declare function isString(value: any): boolean;
declare function isFunction(value: any): boolean;
declare function isDistanceUnit(value: any): boolean;
declare function parseDistanceUnit(value: any): any;
export { isBoolean, isNumber, isString, isFunction, isDistanceUnit, parseDistanceUnit };