export default class GeneralHelper {
    static isUndefined(value: any): boolean;
    static isFunction(value: any): boolean;
    static isNumber(value: any): boolean;
    static isString(value: any): boolean;
    static isObject(value: any): boolean;
    static isNumberFinite(value: any): boolean;
    static extractDeepPropertyByMapKey(obj: Object, map: string): any;
}