def begin_create_or_update(resource_group_name, application_name, parameters, custom_headers:nil)
      response = begin_create_or_update_async(resource_group_name, application_name, parameters, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def begin_create_or_update(resource_group_name, application_name, parameters, custom_headers:nil)
      response = begin_create_or_update_async(resource_group_name, application_name, parameters, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Creates a new managed application.

 @param resource_group_name [String] The name of the resource group. The name
 is case insensitive.
 @param application_name [String] The name of the managed application.
 @param parameters [Application] Parameters supplied to the create or update a
 managed application.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [Application] operation results.