import BN from "bn.js";
import { Secp256k1PublicKey } from "./Secp256k1PublicKey";
import { KeyTypes } from "../../domain";
import { PrivateKey, DerivableKey, ExportableKey, SignableKey, StorableKey } from "../../domain/models/keyManagement";
/**
 * @ignore
 */
export declare class Secp256k1PrivateKey extends PrivateKey implements DerivableKey, ExportableKey, SignableKey, StorableKey {
    readonly recoveryId: string;
    keySpecification: Map<string, string>;
    raw: Uint8Array;
    size: number;
    type: KeyTypes;
    readonly to: {
        Buffer: () => Buffer<ArrayBufferLike>;
        Hex: () => string;
        JWK: (base?: import("../../domain").JWK.Base) => import("../../domain").JWK;
        PEM: () => string;
        String: (encoding?: BufferEncoding) => string;
    };
    static from: {
        Buffer: (value: Buffer) => Secp256k1PrivateKey;
        Hex: (value: string) => Secp256k1PrivateKey;
        PEM: (value: string) => Secp256k1PrivateKey;
        String: (value: string, encoding?: BufferEncoding) => Secp256k1PrivateKey;
    };
    private get native();
    constructor(nativeValue: Uint8Array);
    derive(derivationPath: string): Secp256k1PrivateKey;
    publicKey(): Secp256k1PublicKey;
    getEncoded(): Uint8Array;
    sign(message: Buffer): Buffer<ArrayBuffer>;
    static secp256k1FromBigInteger(bigInteger: BN): Secp256k1PrivateKey;
    static secp256k1FromBytes(encoded: Uint8Array): Secp256k1PrivateKey;
}