import { type NetworkClient, type Optional } from '@sudobility/types';
import type { IndexerAddressValidationResponse } from '@sudobility/mail_box_types';
interface UseIndexerValidateUsernameReturn {
    validateUsername: (username: string) => Promise<Optional<IndexerAddressValidationResponse>>;
    isLoading: boolean;
    error: Optional<string>;
    clearError: () => void;
}
export declare const useIndexerValidateUsername: (networkClient: NetworkClient, endpointUrl: string, dev?: boolean) => UseIndexerValidateUsernameReturn;
export {};
//# sourceMappingURL=useIndexerValidateUsername.d.ts.map