def begin_create_or_update(resource_group_name, cross_connection_name, peering_name, peering_parameters, custom_headers:nil)
      response = begin_create_or_update_async(resource_group_name, cross_connection_name, peering_name, peering_parameters, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def begin_create_or_update(resource_group_name, cross_connection_name, peering_name, peering_parameters, custom_headers:nil)
      response = begin_create_or_update_async(resource_group_name, cross_connection_name, peering_name, peering_parameters, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Creates or updates a peering in the specified ExpressRouteCrossConnection.

 @param resource_group_name [String] The name of the resource group.
 @param cross_connection_name [String] The name of the
 ExpressRouteCrossConnection.
 @param peering_name [String] The name of the peering.
 @param peering_parameters [ExpressRouteCrossConnectionPeering] Parameters
 supplied to the create or update ExpressRouteCrossConnection peering
 operation.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [ExpressRouteCrossConnectionPeering] operation results.