Interface EventSigner

interface EventSigner {
    getPublicKey: () => string | Promise<string>;
    nip04?: {
        decrypt: (
            pubkey: string,
            ciphertext: string,
        ) => string | Promise<string>;
        encrypt: (pubkey: string, plaintext: string) => string | Promise<string>;
    };
    nip44?: {
        decrypt: (
            pubkey: string,
            ciphertext: string,
        ) => string | Promise<string>;
        encrypt: (pubkey: string, plaintext: string) => string | Promise<string>;
    };
    signEvent: (template: EventTemplate) => Event | Promise<Event>;
}