import type { DpopPrivateJwk } from '@atcute/oauth-crypto';
export interface LegacyDpopKey {
    typ: 'ES256';
    key: string;
    jwt: string;
    jkt?: string;
}
export declare const isLegacyDpopKey: (key: LegacyDpopKey | DpopPrivateJwk) => key is LegacyDpopKey;
export declare const migrateLegacyDpopKey: (key: LegacyDpopKey) => Promise<DpopPrivateJwk>;
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