code: public AutomationAccountInner update(String resourceGroupName, String automationAccountName, AutomationAccountUpdateParameters parameters) {
          return updateWithServiceResponseAsync(resourceGroupName, automationAccountName, parameters).toBlocking().single().body();
      }
docs: Update an automation account.
  
  @param resourceGroupName Name of an Azure Resource group.
  @param automationAccountName The name of the automation account.
  @param parameters Parameters supplied to the update automation account.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws ErrorResponseException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the AutomationAccountInner object if successful.