/// <reference types="ledgerhq__hw-transport" />
import Transport from '@ledgerhq/hw-transport';
import { LedgerNetworkType, LedgerTransaction } from './sdk';
export interface AppVersion {
    majorVersion: number;
    minorVersion: number;
    patchVersion: number;
}
/**
 * The symbol ledger clients that knows who to talk to the symbol app installed in the ledger device.
 *
 * This facade simplifies provides an simplifies the basic methods.
 */
export declare class SymbolLedger {
    /**
     * The transport to be used when talking to ledger.
     */
    private readonly transport;
    constructor(transport: Transport, scrambleKey: string);
    /**
     * Return true if the installed app version is above the supported Symbol app version
     * @return promise of boolean
     */
    isAppSupported(): Promise<boolean>;
    /**
     * Returns the minimum expected ledger version.
     * @return the expected version object
     */
    getExpectedAppVersion(): AppVersion;
    /**
     * Compares the current app version to a expected version.  Returns if the app version is greater equals te expected one
     * @param appVersion the app version
     * @param expectedVersion the expected version.
     */
    isVersionSupported(appVersion: AppVersion, expectedVersion: AppVersion): boolean;
    /**
     * Get Symbol app version on Ledger device

     * @return an object contain major, minor, patch version of the Symbol app on Ledger device
     */
    getAppVersion(): Promise<AppVersion>;
    /**
     * get Symbol's address for a given BIP 44 path from the Ledger
     *
     * @param path a path in BIP 44 format
     * @param display optionally enable or not the display
     * @param networkType the symbol network type number
     * @param chainCode optionally enable or not the chainCode request
     * @param isOptinLedgerWallet if Opt-in Symbol wallet uses curve Secp256K1 else uses curve Ed25519
     * @return the public key of the account.
     */
    getAccount(path: string, networkType: LedgerNetworkType, display: boolean, chainCode: boolean, isOptinLedgerWallet: boolean): Promise<string>;
    /**
     * sign a Symbol transaction by account on Ledger at given BIP 44 path
     *
     * @param path a path in BIP 44 format
     * @param transaction a transaction needs to be signed
     * @param networkGenerationHash the network generation hash of block 1
     * @param signerPublicKey the public key of signer
     * @param isOptinLedgerWallet if Opt-in Symbol wallet uses curve Secp256K1 else uses curve Ed25519
     * @return a signed Transaction which is signed by account at path on Ledger
     */
    signTransaction(path: string, transaction: LedgerTransaction, networkGenerationHash: string, signerPublicKey: string, isOptinLedgerWallet: boolean): Promise<{
        payload: string;
        signature: string;
    }>;
    /**
     * it signs a Symbol Cosignature transaction with a given BIP 44 path
     *
     * @param path a path in BIP 44 format
     * @param aggregateTransaction the original aggregate transaction transaction needs to be cosigned
     * @param aggregateTransactionHash the aggregate transaction hash
     * @param signerPublicKey the public key of signer
     * @param isOptinSymbolWallet if Opt-in Symbol wallet uses curve Secp256K1 else uses curve Ed25519
     * @return a Signed Cosignature Transaction which is signed by account at path on Ledger
     */
    signCosignatureTransaction(path: string, aggregateTransaction: LedgerTransaction, aggregateTransactionHash: string, signerPublicKey: string, isOptinSymbolWallet: boolean): Promise<string>;
    /**
     * It closes the transport.
     */
    close(): Promise<void>;
    /**
     * It handles sending and receiving packages between Ledger and Wallet
     * @param path a path in BIP 44 format
     * @param rawTx a raw payload transaction hex string
     * @param chainCode optionally enable or not the chainCode request
     * @param isOptinSymbolWallet if Opt-in Symbol wallet uses curve Secp256K1 else uses curve Ed25519
     * @returns respond package from Ledger
     */
    private ledgerMessageHandler;
}