export interface KeychainManager {
    storeMasterKey(keyId: string, keyMaterial: Uint8Array): Promise<void>;
    retrieveMasterKey(keyId: string): Promise<Uint8Array | null>;
    deleteMasterKey(keyId: string): Promise<void>;
    isAvailable(): boolean;
    storeMasterKeySync(keyId: string, keyMaterial: Uint8Array): void;
    retrieveMasterKeySync(keyId: string): Uint8Array | null;
    deleteMasterKeySync(keyId: string): void;
}
export type Platform = "darwin" | "linux" | "win32" | "other";
export interface KeychainEntry {
    keyId: string;
    keyMaterial: Uint8Array;
    createdAt: Date;
    updatedAt: Date;
}
export interface EncryptedJsonFile {
    version: 1;
    ciphertext: string;
    iv: string;
    tag: string;
    keyId: string;
    algorithm: "AES-256-GCM";
}