/**
 * TurboCommons is a general purpose and cross-language library that implements frequently used and generic software development tasks.
 *
 * Website : -> https://turboframework.org/en/libs/turbocommons
 * License : -> Licensed under the Apache License, Version 2.0. You may not use this file except in compliance with the License.
 * License Url : -> http://www.apache.org/licenses/LICENSE-2.0
 * CopyRight : -> Copyright 2015 Edertone Advanded Solutions (08211 Castellar del Vallès, Barcelona). http://www.edertone.com
 */
/**
 * Utilities to perform common object operations
 *
 * @class
 */
export declare class ObjectUtils {
    /**
     * Tells if the given value is an object or not
     *
     * @param value A value to check
     *
     * @returns true if the given value is an object, false otherwise
     */
    static isObject(value: any): boolean;
    /**
     * Get the list of literals for a given object. Notice that only 1rst depth keys are providen
     *
     * @param object A valid object
     *
     * @returns List of strings with the first level object key names in the same order as defined on the object instance
     */
    static getKeys(object: any): string[];
    /**
     * Check if two provided objects are identical.
     * Notice that properties order does not alter the comparison. So if two objects
     * have the same properties with exactly the same values, but they appear in a different
     * order on both objects, this method will consider them as equal.
     *
     * @param object1 First object to compare
     * @param object2 Second object to compare
     *
     * @returns true if objects are exactly the same, false if not
     */
    static isEqualTo(object1: any, object2: any): boolean;
    /**
     * Check if the provided string is found inside the provided object structure.
     * This method will recursively search inside all the provided object properties and test if the provided string is found.
     * Search will be performed inside any object structures like arrays or other objects. Result will be positive even if
     * any string on the object contains the searched text as a substring.
     *
     * @param object The object where the string will be looked for
     * @param str The string that will be searched on the object
     * @param caseSensitive True (default) to perform a case sensitive search, false otherwise
     *
     * @returns True if the string is found anywhere inside the provided object, false otherwise
     */
    static isStringFound(object: any, str: string, caseSensitive?: boolean): boolean;
    /**
     * Combine a source object into a destination one by applying a deep merge.
     * All properties from the source will be replaced into the destination object, without altering the
     * destination properties that are not found on source.
     *
     * @param destination The object that will be overriden with the source one. The given instance will be permanently modified.
     * @param source An object to merge into the destination one. This instance will not be modified
     *
     * @returns The destination object instance after being modified by merging the source object into it
     */
    static merge(destination: any, source: any): any;
    /**
     * Perform a deep copy of the given object.
     *
     * @param object Any language instance like numbers, strings, arrays, objects, etc.. that we want to duplicate.
     *
     * @returns An exact independent copy of the received object, without any shared reference.
     */
    static clone(object: any): any;
    /**
     * Apply a given function to each value of the provided object (Recursively through all the object elements). It will also scan
     * inside arrays and sub objects.
     *
     * NOTICE: Original object is not modified
     *
     * @param object Any language instance like numbers, strings, arrays, objects, etc.. that we want to process.
     * @param callableFunction A function that takes a single argument and returns a value. It must always return a value, cause
     *        it will be assigned to the original object
     *
     * @returns An exact independent copy of the received object, without any shared reference, where each value has been processed
     *         by the provided callable function.
     */
    static apply(object: any, callableFunction: (v: any) => any): any;
}