import { type KeyData, type KeyId, type KeyStoreState } from "@algorandfoundation/keystore";
import type { Store } from "@tanstack/store";
import { type MMKV } from "react-native-mmkv";
export declare const storage: MMKV;
/**
 * Fetches a secret from persistent storage and decrypts it using the master key.
 * @param params - The fetch parameters.
 * @param params.keyId - The ID of the key to fetch
 * @param params.masterKey - Optional master key override
 * @returns The decrypted secret data or null if not found
 */
export declare function fetchSecret<T>({ keyId, masterKey, }: {
    keyId: KeyId;
    masterKey?: Buffer;
}): Promise<T | null>;
/**
 * Removes a secret from persistent storage.
 * @param params - The removal parameters.
 * @param params.keyId - The ID of the key to remove
 */
export declare function removeSecret({ keyId }: {
    keyId: KeyId;
}): Promise<void>;
/**
 * Commits a key to persistent storage and updates the reactive store.
 * The private key is encrypted before storage and cleared from memory.
 * @param params - The commit parameters.
 * @param params.store - The reactive store instance
 * @param params.keyData - The key data to store
 */
export declare function commit({ store, keyData, }: {
    store: Store<KeyStoreState>;
    keyData: KeyData;
}): Promise<void>;
export declare function encode(key: KeyData): string;
export declare function decode(data: string): KeyData;
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