import { Cipher } from '../cipher.js';
declare const SAPPHIRE_PROP = "sapphire";
export type SapphireAnnex = {
    [SAPPHIRE_PROP]: {
        cipher: Cipher;
    };
};
export type Hooks<T> = {
    [K in keyof T]?: T[K];
};
export declare function makeProxy<U extends object>(upstream: U, cipher: Cipher, hooks: Hooks<U>): U & SapphireAnnex;
export {};
//# sourceMappingURL=utils.d.ts.map