import { type SecretCellVault } from '../../../security/secret-cell';
import type { KeyWrapContext, KeyWrapper, WrappedDataKey } from './KeyWrapper';
export interface SecretCellKeyWrapperOptions {
    vault: SecretCellVault;
    predicate: string;
    field: string;
    schemaVersion: string;
}
/**
 * Compatibility adapter for callers that still compose WebCryptoCredentialVault.
 * Production container wiring uses SecretCellCredentialVault directly.
 */
export declare class SecretCellKeyWrapper implements KeyWrapper {
    private readonly vault;
    private readonly predicate;
    private readonly field;
    private readonly schemaVersion;
    constructor(options: SecretCellKeyWrapperOptions);
    wrapDek(context: KeyWrapContext, dek: Uint8Array): Promise<WrappedDataKey>;
    unwrapDek(context: KeyWrapContext, wrapped: WrappedDataKey): Promise<Uint8Array>;
    private toSecretCellContext;
    private decodeWrappedDataKey;
}