/**
 * Merge two or more objects recursively.
 */
export declare function recursive(clone?: boolean): any;
/**
 * Clone the input removing any reference.
 */
export declare function clone(input: any): any;
/**
 * Merges two objects recursively.
 */
export declare function mergeRecursive(base: any, extend: any): any;
/**
 * Mergestwo or more objects.
 */
export declare function merge(clone_: boolean, recursive: boolean, ...argv: any[]): any;