/**
 * Generates a prop validator that tests against a list of expected values
 *
 * @param expectedValues - array of expected, valid values
 * @returns a function that checks if its parameter is in the provided list
 */
export declare function expectedValues(...expectedValues: any[]): (value: any) => boolean;
/**
 * Generates a prop validator that tests a string or an array of strings
 * to make sure all values start with the provided prefix.
 *
 * @param prefix
 * @returns {(function(*): (*|boolean))|*}
 */
export declare function prefixValidator(prefix: any): (value: any) => any;