/// <reference types="node" />
/********************************************************************************
 *   Ledger Node JS API
 *   (c) 2016-2017 Ledger
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 ********************************************************************************/
import type Transport from "@ledgerhq/hw-transport";
export type GetPublicKeyResult = {
    publicKey: Uint8Array;
    address: Uint8Array | null;
};
export type SignTransactionResult = {
    signature: Uint8Array;
};
export type GetVersionResult = {
    major: number;
    minor: number;
    patch: number;
};
/**
 * Common API for ledger apps
 *
 * @example
 * import Kadena from "hw-app-kda";
 * const kda = new Kadena(transport)
 */
export declare class Common {
    transport: Transport;
    appName: string | null;
    verbose: boolean | null;
    constructor(transport: Transport, scrambleKey: string, appName?: string | null, verbosity?: boolean | null);
    /**
      * Retrieves the public key associated with a particular BIP32 path from the ledger app.
      *
      * @param path - the path to retrieve.
      */
    getPublicKey(path: string): Promise<GetPublicKeyResult>;
    /**
      * Sign a transaction with the key at a BIP32 path.
      *
      * @param txn - The transaction; this can be any of a node Buffer, Uint8Array, or a hexadecimal string, encoding the form of the transaction appropriate for hashing and signing.
      * @param path - the path to use when signing the transaction.
      */
    signTransaction(path: string, txn: string | Buffer | Uint8Array): Promise<SignTransactionResult>;
    /**
      * Retrieve the app version on the attached ledger device.
      * @alpha TODO this doesn't exist yet
      */
    getVersion(): Promise<GetVersionResult>;
    /**
     * Send a raw payload as chunks to a particular APDU instruction.
     *
     * @remarks
     *
     * This is intended to be used to implement a more useful API in this class and subclasses of it, not for end use.
     */
    sendChunks(cla: number, ins: number, p1: number, p2: number, payload: Buffer | Buffer[]): Promise<Buffer>;
    /**
     * Convert a raw payload into what is essentially a singly-linked list of chunks, which
     allows the ledger to re-seek the data in a secure fashion.
    */
    sendWithBlocks(cla: number, ins: number, p1: number, p2: number, payload: Buffer | Buffer[], extraData?: Map<String, Buffer>): Promise<Buffer>;
    handleBlocksProtocol(cla: number, ins: number, p1: number, p2: number, initialPayload: Buffer, data: Map<String, Buffer>): Promise<Buffer>;
    log(...args: any[]): void;
}
export declare function buildBip32KeyPayload(path: string): Buffer;
export declare function splitPath(path: string): number[];
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