import type { COSEPrivateKey, COSEPublicKey, COSESymmetricKey } from "./types.js";
import type { COSEKeyAll } from "./index.js";
export interface ImportedKey {
    key: CryptoKey;
    kid?: Uint8Array;
}
export declare function exportPrivateKey(key: CryptoKey, kid?: Uint8Array): Promise<COSEPrivateKey>;
export declare function importPrivateKey(key: COSEKeyAll, extractable?: boolean): Promise<ImportedKey>;
export declare function exportPublicKey(key: CryptoKey, kid?: Uint8Array): Promise<COSEPublicKey>;
export declare function importPublicKey(key: COSEKeyAll): Promise<ImportedKey>;
export declare function exportSymmetricKey(key: CryptoKey, kid?: Uint8Array): Promise<COSESymmetricKey>;
export declare function importSymmetricKey(key: COSEKeyAll, extractable?: boolean): Promise<ImportedKey>;
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