/**
 * Common equality test function. It is special in the sense that you can enable plain object properties compare and
 * that it uses a "equal" function if "a" provides one.
 *
 * @param {Any} a value or object to compare with b
 * @param {Any} b value or object to compare with a
 * @param {Boolean} [enablePlainObjectCompare] shall objects compared based on their properties.
 * @param {Boolean} [withFunctions] enables function value compare if enablePlainObjectCompare is true.
 * @returns {Boolean} true if a equals b.
 * @example
 *
 *    if( ct.equals(a,b)){
 *		// do something if true
 *	}
 */
declare function equals(a: Any, b: Any, enablePlainObjectCompare?: boolean, withFunctions?: boolean): boolean;
declare namespace equals {
    export { equals };
    export { equalsOwnProps };
    export { equalsProps };
}
/**
 * Tests if all properties specified by propNames are equal in a and b.
 *
 * @param {Object} a object to compare with b
 * @param {Object} b object to compare with a
 * @param {String|String[]} propNames names of properties to compare in a and b.
 * @param {Boolean} enablePlainObjectCompare if true then the value of each own property is compared based on the
 * values properties (if the value is a object).
 * @param {Boolean} withFunctions enables function value compare if enablePlainObjectCompare is true.
 * @returns {Boolean} true if a equals b.
 * @example
 *
 *    if( ct.equalsProps(a,b,['_a','_b'])){
 *		// do something if true
 *	}
 */
declare function equalsProps(a: Object, b: Object, propNames: string | string[], enablePlainObjectCompare: boolean, withFunctions: boolean): boolean;
/**
 * Tests if all properties in a and b are equal.
 *
 * @param {Object} a object to compare with b
 * @param {Object} b object to compare with a
 * @param {Boolean} enablePlainObjectCompare if true then the value of each own property is compared based on the values
 * properties (if the value is a object).
 * @param {Boolean} withFunctions enables function value compare if enablePlainObjectCompare is true.
 * @returns {Boolean} true if a equals b.
 * @example
 *
 *    if( ct.equalsOwnProps(a,b)){
 *		// do something if true
 *	}
 */
declare function equalsOwnProps(a: Object, b: Object, enablePlainObjectCompare: boolean, withFunctions: boolean): boolean;

export { equals as default, equals, equalsOwnProps, equalsProps };