import { NDKUser, NDKUserProfile } from '@nostr-dev-kit/ndk';
import { NostrService } from '../../common/nostr-service';
export declare class UserResolver {
    private nostrService;
    constructor(nostrService: NostrService);
    validateInputs({ npub, pubkey, nip05 }: {
        npub?: string | null;
        pubkey?: string | null;
        nip05?: string | null;
    }): string | null;
    resolveUser({ npub, pubkey, nip05 }: {
        npub?: string | null;
        pubkey?: string | null;
        nip05?: string | null;
    }): Promise<{
        user: NDKUser;
        profile: NDKUserProfile | null;
    }>;
}