code: public Observable<DataLakeStoreAccountInfoInner> getDataLakeStoreAccountAsync(String resourceGroupName, String accountName, String dataLakeStoreAccountName) {
          return getDataLakeStoreAccountWithServiceResponseAsync(resourceGroupName, accountName, dataLakeStoreAccountName).map(new Func1<ServiceResponse<DataLakeStoreAccountInfoInner>, DataLakeStoreAccountInfoInner>() {
              @Override
              public DataLakeStoreAccountInfoInner call(ServiceResponse<DataLakeStoreAccountInfoInner> response) {
                  return response.body();
              }
          });
      }
docs: Gets the specified Data Lake Store account details in the specified Data Lake Analytics account.
  
  @param resourceGroupName The name of the Azure resource group that contains the Data Lake Analytics account.
  @param accountName The name of the Data Lake Analytics account from which to retrieve the Data Lake Store account details.
  @param dataLakeStoreAccountName The name of the Data Lake Store account to retrieve
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the DataLakeStoreAccountInfoInner object