/**
 * Check `code` is upper ascii letter
 *
 * @param code
 *
 * @example
 *
 *      isUpperAsciiLetter('a'.charCodeAt(0));  //=> false
 *      isUpperAsciiLetter('z'.charCodeAt(0));  //=> false
 *      isUpperAsciiLetter('A'.charCodeAt(0));  //=> true
 *      isUpperAsciiLetter('Z'.charCodeAt(0));  //=> true
 */
export declare function isUpperAsciiLetter(code: number): boolean;
export default isUpperAsciiLetter;