import { Branded } from 'schemata-ts/brand';
import * as PB from 'schemata-ts/PatternBuilder';
import { SchemaExt } from 'schemata-ts/SchemaExt';
interface Base64UrlBrand {
    readonly Base64Url: unique symbol;
}
/**
 * Representing a URL-safe, Base64 encoded string.
 *
 * For a non-URL-safe alternative, @see Base64
 *
 * @since 1.0.0
 * @category Model
 */
export declare type Base64Url = Branded<string, Base64UrlBrand>;
/**
 * @since 1.0.0
 * @category Model
 */
export declare type Base64UrlS = SchemaExt<string, Base64Url>;
/**
 * /^[A-Za-z0-9_-]*$/
 *
 * @since 1.0.0
 * @category Pattern
 */
export declare const base64Url: PB.Pattern;
/**
 * Representing a URL-safe, Base64 encoded string.
 *
 * For a non-URL-safe alternative, @see Base64
 *
 * @since 1.0.0
 * @category Schema
 */
export declare const Base64Url: Base64UrlS;
export {};
//# sourceMappingURL=Base64Url.d.ts.map