import { IObjExt } from "./type.js";
/**
 * Determines whether value is an element of array arr,
 * only determine the same value with the element, do not determine the type
 *
 * @param {*} value
 * @param {any[]} arr
 * @returns {*} {boolean}
 */
export declare function inArray(value: any, arr: any[]): boolean;
/**
 * Removes the specified index element from the array
 *
 * @param {any[]} arr
 * @param {number} index
 * @returns {*}  {any[]}
 */
export declare function arrRemove(arr: any[], index: number): any[];
/**
 * The object obj prototype instance conversion to organize the data structure stored in the object,
 * access to this object in the v8 engine will be faster
 * @param {IObjExt} obj
 */
export declare function toFastProperties(obj: IObjExt): void;
/**
 * Copy the source, deep deep to true depth copy
 *
 * @param {IObjExt} source
 * @param {boolean} [deep=false]
 * @returns {*} {IObjExt}
 */
export declare function clone(source: IObjExt, deep?: boolean): IObjExt;
/**
 * So that the target object inherits the source,
 * deep depth is true depth inheritance
 *
 * @param {IObjExt} source
 * @param {IObjExt} target
 * @param {boolean} [deep=false]
 * @returns {*}  {IObjExt}
 */
export declare function extendObj(source: IObjExt, target: IObjExt, deep?: boolean): IObjExt;
/**
 * Short for hasOwnProperty
 *
 * @export
 * @param {IObjExt} obj
 * @param {string} property
 * @returns {*}  {boolean}
 */
export declare function hasOwn(obj: IObjExt, property: string): boolean;
/**
 * Short for Object.defineProperty,
 * the property is getter when setter is false
 *
 * @param {IObjExt} obj
 * @param {string} property
 * @param {*} value
 * @param {boolean} [setter=false]
 * @returns {*}
 */
export declare function defineProp(obj: IObjExt, property: string, value: any, setter?: boolean): void;