/**
 * Recovery flow: restore all facts from a BIP-39 mnemonic via the subgraph.
 *
 * This is the core UX promise: a user on a new device pastes their 12-word
 * mnemonic, and all their facts are recovered from the blockchain.
 *
 * Flow:
 *   1. Derive keys from mnemonic (encryption key, auth key, Smart Account address)
 *   2. Query subgraph for all facts belonging to that Smart Account
 *   3. Decrypt each fact's encrypted blob
 *   4. Sort by importance, populate hot cache with top 30
 *   5. Return all decrypted facts
 */
export interface RestoredFact {
    id: string;
    text: string;
    type?: string;
    importance?: number;
    decayScore: number;
    sequenceId?: string;
    blockNumber?: string;
}
export interface RestoreResult {
    totalFacts: number;
    restoredFacts: RestoredFact[];
    failedDecryptions: number;
    hotCachePopulated: boolean;
    smartAccountAddress: string;
}
export interface RestoreOptions {
    subgraphEndpoint: string;
    cachePath: string;
    /**
     * Function to derive keys from mnemonic. Injected to avoid importing
     * the crypto module directly (keeps this module testable with mocks).
     */
    deriveKeys: (mnemonic: string) => {
        encryptionKeyHex: string;
        smartAccountAddress: string;
    };
    /**
     * Function to decrypt a hex blob using the encryption key.
     * Returns the decrypted JSON string.
     */
    decrypt: (hexBlob: string, keyHex: string) => string;
}
/**
 * Restore all facts from a BIP-39 mnemonic via the subgraph.
 */
export declare function restoreFromMnemonic(mnemonic: string, options: RestoreOptions): Promise<RestoreResult>;
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