import { type EventTemplate, type VerifiedEvent } from 'nostr-tools/pure';
import type { NostrSigner } from './types';
export declare class NsecSigner implements NostrSigner {
    readonly type: "nsec";
    private readonly secretKey;
    constructor(nsec: string);
    getPublicKey(): Promise<string>;
    signEvent(event: EventTemplate): Promise<VerifiedEvent>;
    nip04Encrypt(pubkey: string, plaintext: string): Promise<string>;
    nip04Decrypt(pubkey: string, ciphertext: string): Promise<string>;
    nip44Encrypt(pubkey: string, plaintext: string): Promise<string>;
    nip44Decrypt(pubkey: string, ciphertext: string): Promise<string>;
}
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