import 'core-js/stable';
type filterableItem = Array<any> | {
    [k: number | string]: any;
};
/**
 * Function is a predicate, to test each property value of the object. Return true to keep the element, false
 * otherwise, taking three arguments
 * @callback module:objectHelpers~filterCallback
 * @memberOf module:objectHelpers
 * @param {*} currentProperty - The current property being processed in the object.
 * @param {string} [currentIndex] - The property name of the current property being processed in the object.
 * @param {Object|Array} [object] - The object filter was called upon.
 * @returns {boolean}
 */
type filterCallback = (currentProperty: any, currentIndex: keyof filterableItem, object: filterableItem) => boolean;
/**
 * This function is intended to replicate behaviour of the Array.filter() function but for Objects.
 * If an array is passed in instead then it will perform standard filter(). It is recommended to
 * always use the standard filter() function when it is known that the object is actually an array.
 * @memberOf module:objectHelpers
 * @param {Object|Array} obj - The Object (or Array) to be filtered
 * @param {module:objectHelpers~filterCallback|Function} fn - The function to be processed for each filtered property
 * @param {Object|Array} [thisArg] - Optional. Value to use as this when executing callback.
 * @returns {Object|Array}
 */
declare const filterObject: (obj: filterableItem, fn: filterCallback, thisArg?: filterableItem) => filterableItem;
export default filterObject;