/**
 * Map helpers in $util.map
 *
 * $util.map contains methods to help with common
 * Map operations, such as removing or retaining
 * items from a Map for filtering use cases.
 */
/**
 * Makes a shallow copy of the first map, retaining only the
 * keys specified in the list, if they are present. All other
 * keys will be removed from the copy.
 * @param map
 * @param list
 */
export declare function copyAndRetainAllKeys(map: object, list: Array<string>): object;
/**
 * Makes a shallow copy of the first map, removing any entries
 * where the key is specified in the list, if they are present.
 * All other keys will be retained in the copy.
 * @param map
 * @param list
 */
export declare function copyAndRemoveAllKeys(map: object, list: Array<string>): object;