import { Predicate } from './types';
/**
 * Returns a function that checks whether a value is equal to one of allowed values
 * Function compares values using === operator
 *
 * @example
 * const isAllowedToAccess = is.oneOf('ROLE_ADMIN', 'ROLE_USER');
 * // same as
 * // const isAllowedToAccess = is.in(['ROLE_ADMIN', 'ROLE_USER']);
 *
 * isAllowedToAccess('ROLE_ADMIN'); // true
 * isAllowedToAccess('ROLE_ANONYMOUS'); // false
 *
 * @throws {Error} if 0 or 1 allowed value provided
 */
declare function isOneOf(...allowedValues: any[]): Predicate;
export default isOneOf;