import type { KeyringAccount, EntropySourceId } from "@metamask/keyring-api";
import type { KeyringCapabilities, Keyring, CreateAccountBip44DeriveIndexOptions } from "@metamask/keyring-api/v2";
import { EthKeyringWrapper } from "@metamask/keyring-sdk/v2";
import type { AccountId } from "@metamask/keyring-utils";
import { DeviceMode } from "../device.mjs";
import type { IndexedAddress } from "../device.mjs";
import type { QrKeyring as LegacyQrKeyring } from "../qr-keyring.mjs";
/**
 * Custom options for creating accounts on Account mode QR devices.
 * Account mode devices provide pre-defined addresses that must be selected by index.
 */
export type QrAccountModeCreateOptions = {
    type: 'custom';
    /**
     * The entropy source ID (device fingerprint) to verify we're targeting the correct device.
     */
    entropySource: EntropySourceId;
    /**
     * The index of the pre-defined address to add from the device.
     * This refers to the position in the device's address list, not a BIP-44 derivation index.
     */
    addressIndex: number;
};
/**
 * Account creation options for QR keyring.
 * Excludes unsupported types (custom, private-key:import) and adds our specific QrAccountModeCreateOptions.
 */
export type QrKeyringCreateAccountOptions = CreateAccountBip44DeriveIndexOptions | QrAccountModeCreateOptions;
/**
 * Concrete {@link Keyring} adapter for {@link QrKeyring}.
 *
 * This wrapper exposes the accounts and signing capabilities of the legacy
 * QR keyring via the unified V2 interface.
 *
 * Account handling differs by device mode:
 * - **HD mode**: Accounts are derived by index with `groupIndex` values.
 * Supports `bip44:derive-index` for index-based derivation.
 * - **Account mode**: Accounts are treated as private key imports since the
 * device provides pre-defined addresses with arbitrary paths. Uses `custom`
 * account creation type to select addresses by their position in the device.
 */
export type QrKeyringOptions = {
    legacyKeyring: LegacyQrKeyring;
    entropySource: EntropySourceId;
};
export declare class QrKeyring extends EthKeyringWrapper<LegacyQrKeyring> implements Keyring {
    #private;
    readonly entropySource: EntropySourceId;
    constructor(options: QrKeyringOptions);
    /**
     * Get the capabilities of this keyring.
     *
     * Overrides the base class getter to return capabilities dynamically
     * based on the current device mode.
     *
     * @returns The keyring's capabilities.
     */
    get capabilities(): KeyringCapabilities;
    getAccounts(): Promise<KeyringAccount[]>;
    createAccounts(options: QrKeyringCreateAccountOptions): Promise<KeyringAccount[]>;
    /**
     * Delete an account from the keyring.
     *
     * @param accountId - The account ID to delete.
     */
    deleteAccount(accountId: AccountId): Promise<void>;
    /**
     * @returns The name of the paired device, or the keyring type if no device
     * is paired.
     */
    getName(): string;
    /**
     * @returns The current device mode (HD or Account), or `undefined` if no
     * device is paired.
     */
    getMode(): DeviceMode | undefined;
    /**
     * Fetch the first page of candidate addresses from the device.
     *
     * @returns The first page of addresses.
     */
    getFirstPage(): Promise<IndexedAddress[]>;
    /**
     * Fetch the next page of candidate addresses from the device.
     *
     * @returns The next page of addresses.
     */
    getNextPage(): Promise<IndexedAddress[]>;
    /**
     * Fetch the previous page of candidate addresses from the device.
     *
     * @returns The previous page of addresses.
     */
    getPreviousPage(): Promise<IndexedAddress[]>;
    /**
     * Clear the inner keyring's device-pairing state and accounts, and reset
     * the V2 account registry to keep them in sync.
     */
    forgetDevice(): Promise<void>;
}
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