import { UnsignedEvent } from "nostr-tools";
import { Signer } from "./types";
export declare class PrivateKeySigner implements Signer {
    private privkey;
    private nip04;
    private nip44;
    constructor(privkey: Uint8Array);
    unsafeGetSeckey(): Uint8Array<ArrayBufferLike>;
    getPublicKey(): Promise<string>;
    signEvent(event: UnsignedEvent): Promise<import("nostr-tools", { with: { "resolution-mode": "import" } }).VerifiedEvent>;
    nip04Encrypt(pubkey: string, data: string): Promise<string>;
    nip04Decrypt(pubkey: string, data: string): Promise<string>;
    nip44Encrypt(pubkey: string, data: string): Promise<string>;
    nip44Decrypt(pubkey: string, data: string): Promise<string>;
}