import { type PubKeyResponse } from "./protocol/PubKeyResponse.js";
export interface PublicKeyCache {
    fetchPublicKeyForVasp(vaspDomain: string): PubKeyResponse | undefined;
    addPublicKeyForVasp(vaspDomain: string, pubKey: PubKeyResponse): void;
    removePublicKeyForVasp(vaspDomain: string): void;
    clear(): void;
}
export declare class InMemoryPublicKeyCache {
    cache: Map<string, PubKeyResponse>;
    constructor();
    fetchPublicKeyForVasp(vaspDomain: string): PubKeyResponse | undefined;
    addPublicKeyForVasp(vaspDomain: string, pubKey: PubKeyResponse): void;
    removePublicKeyForVasp(vaspDomain: string): void;
    clear(): void;
}