export declare function getUid(project_id: string): number;
export { contains_url } from "@cocalc/util/misc";
export declare function is_valid_username(str: string): string | undefined;
export declare function process_env_int(name: string, fallback: number): number;
export declare function envForSpawn(): {
    [x: string]: string | undefined;
    TZ?: string | undefined;
};