export declare const isValidV4UUID: (uuid: any) => boolean;
export declare const isValidV5UUID: (uuid: any) => boolean;
export declare const objectify: <V>(accum: {
    [key: string]: V;
}, addl: {
    [key: string]: V;
}) => {
    [x: string]: V;
};
export declare type Without<T, U> = {
    [P in Exclude<keyof T, keyof U>]?: never;
};
export declare type XOR<T, U> = (Without<T, U> & Required<U>) | (Without<U, T> & Required<T>);