import { Account } from './Account';
import { Instantiable, InstantiableConfig } from '../Instantiable.abstract';
import { TxParameters } from '../keeper';
export declare class Providers extends Instantiable {
    constructor(config: InstantiableConfig);
    add(did: string, address: string, from: Account, txParams?: TxParameters): Promise<boolean>;
    remove(did: string, address: string, from: Account, txParams?: TxParameters): Promise<boolean>;
    list(did: string): Promise<any>;
}