import type { AccountWalletId } from "@metamask/account-api";
import type { AccountGroupMultichainAccountObject } from "../../group.cjs";
import type { AccountTreeControllerState } from "../../types.cjs";
import type { AccountWalletEntropyObject } from "../../wallet.cjs";
import type { BackupAndSyncContext } from "../types.cjs";
/**
 * Gets all local entropy wallets that can be synced.
 *
 * @param context - The backup and sync context.
 * @returns Array of entropy wallet objects.
 */
export declare function getLocalEntropyWallets(context: BackupAndSyncContext): AccountWalletEntropyObject[];
/**
 * Gets the local group for a specific entropy wallet by its source ID and group index.
 *
 * @param context - The backup and sync context.
 * @param entropySourceId - The entropy source ID.
 * @param groupIndex - The group index.
 * @returns The local group object if it exists, undefined otherwise.
 */
export declare const getLocalGroupForEntropyWallet: (context: BackupAndSyncContext, entropySourceId: string, groupIndex: number) => AccountGroupMultichainAccountObject | undefined;
/**
 * Gets all groups for a specific entropy wallet.
 *
 * @param context - The backup and sync context.
 * @param walletId - The wallet ID to get groups for.
 * @returns Array of multichain account group objects.
 */
export declare function getLocalGroupsForEntropyWallet(context: BackupAndSyncContext, walletId: AccountWalletId): AccountGroupMultichainAccountObject[];
/**
 * State snapshot type for rollback operations.
 * Captures all the state that needs to be restored in case of sync failures.
 */
export type StateSnapshot = {
    accountGroupsMetadata: AccountTreeControllerState['accountGroupsMetadata'];
    accountWalletsMetadata: AccountTreeControllerState['accountWalletsMetadata'];
    selectedAccountGroup: AccountTreeControllerState['selectedAccountGroup'];
    accountTreeWallets: AccountTreeControllerState['accountTree']['wallets'];
};
/**
 * Creates a snapshot of the current controller state for rollback purposes.
 * Captures all state including the account tree structure.
 *
 * @param context - The backup and sync context containing controller and messenger.
 * @returns A deep copy of relevant state that can be restored later.
 */
export declare function createStateSnapshot(context: BackupAndSyncContext): StateSnapshot;
/**
 * Restores state using an update callback.
 * Restores both persisted metadata and the complete account tree structure.
 * Uses the controller's init() method to rebuild internal maps correctly.
 *
 * @param context - The backup and sync context containing controller and messenger.
 * @param snapshot - The state snapshot to restore.
 */
export declare function restoreStateFromSnapshot(context: BackupAndSyncContext, snapshot: StateSnapshot): void;
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