def update(resource_group_name, integration_account_name, integration_account, custom_headers:nil)
      response = update_async(resource_group_name, integration_account_name, integration_account, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def update(resource_group_name, integration_account_name, integration_account, custom_headers:nil)
      response = update_async(resource_group_name, integration_account_name, integration_account, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Updates an integration account.

 @param resource_group_name [String] The resource group name.
 @param integration_account_name [String] The integration account name.
 @param integration_account [IntegrationAccount] The integration account.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [IntegrationAccount] operation results.