message: Declare the accountProperties interface
diff: @@ -23,6 +23,7 @@ import {PublicAccount} from '../model/account/PublicAccount';
  import {AggregateTransaction} from '../model/transaction/AggregateTransaction';
  import {Transaction} from '../model/transaction/Transaction';
  import {QueryParams} from './QueryParams';
  +import {AccountPropertiesInfo} from "../model/account/AccountPropertiesInfo";
  /**
  * Account interface repository.
  @@ -45,6 +46,20 @@ export interface AccountRepository {
  */
  getAccountsInfo(addresses: Address[]): Observable<AccountInfo[]>;
  + /**
  + * Gets Account property.
  + * @param publicAccount public account
  + * @returns Observable<AccountProperty>
  + */
  + getAccountProperty(publicAccount: PublicAccount): Observable<AccountPropertiesInfo>;
  +
  + /**
  + * Gets Account properties.
  + * @param address list of addresses
  + * @returns Observable<AccountProperty[]>
  + */
  + getAccountProperties(addresses: Address[]): Observable<AccountPropertiesInfo[]>;
  +
  /**
  * Gets a MultisigAccountInfo for an account.
  * @param address - User address
  