/**
 * Regular expression to identify valid username.
 */
export declare const VALID_USERNAME_REGEXP: string;
/** Maximum allowed length for a username. */
export declare const USERNAME_MAX_LENGTH = 255;
/** Maximum allowed length for a user display name. */
export declare const USER_DISPLAY_NAME_MAX_LENGTH = 255;
/** Returns the URL path to a user's public profile */
export declare function userURL(username: string): string;
//# sourceMappingURL=index.d.ts.map