code: public Observable<DataLakeStoreAccountInner> beginCreateAsync(String resourceGroupName, String name, DataLakeStoreAccountInner parameters) {
          return beginCreateWithServiceResponseAsync(resourceGroupName, name, parameters).map(new Func1<ServiceResponse<DataLakeStoreAccountInner>, DataLakeStoreAccountInner>() {
              @Override
              public DataLakeStoreAccountInner call(ServiceResponse<DataLakeStoreAccountInner> response) {
                  return response.body();
              }
          });
      }
docs: Creates the specified Data Lake Store account.
  
  @param resourceGroupName The name of the Azure resource group that contains the Data Lake Store account.
  @param name The name of the Data Lake Store account to create.
  @param parameters Parameters supplied to create the Data Lake Store account.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the DataLakeStoreAccountInner object