import { Key } from "./Key";
import { PublicKey } from "./PublicKey";
import { Pluto } from "../../buildingBlocks/Pluto";
export declare abstract class PrivateKey extends Key implements Pluto.Storable {
    abstract publicKey(): PublicKey;
    readonly uuid: string;
    get curve(): string;
    /**
     * Derivation index.
     * The index of the key in the derivation path.
     * Only applicable for HD keys
     *
     * @returns {number | undefined}
     */
    get index(): number | undefined;
    get value(): Uint8Array<ArrayBuffer>;
}