export declare function isHttp(input?: string): boolean; export declare const isNilOrEmptyObject: (value: any, options?: { ignoreHash?: boolean; }) => boolean; export declare const isUndefinedOrEmptyObject: (value: any, options?: { ignoreHash?: boolean; }) => boolean; export declare const isEmptyObject: (value: any, options?: { ignoreHash?: boolean; }) => boolean;