import BaseContractProvider from '../common/contract';
export interface UsernamesContractState {
    usernames: {
        [owner: string]: string;
    };
}
export default class ArtByCityUsernames extends BaseContractProvider<UsernamesContractState> {
    resolve(usernameOrAddress: string): Promise<{
        username: string | null;
        address: string | null;
    }>;
    resolveAddressFromUsername(username: string): Promise<string | null>;
    resolveUsernameFromAddress(address: string): Promise<string | null>;
}