export interface PrivatePackageEnvelopeContext {
    registry: string;
    namespace: string;
    name: string;
    version: string;
    recipientKeyId: string;
    recipientKeyFingerprint: string;
}
export interface BrowserPrivatePackageKeyProvider {
    privateKeyForEnvelope(context: PrivatePackageEnvelopeContext): CryptoKey | null | Promise<CryptoKey | null>;
}
export declare function decryptRegistryPrivateArtifact(releaseValue: unknown, ciphertext: Uint8Array, keys: BrowserPrivatePackageKeyProvider): Promise<Uint8Array>;
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