Finishes the asynchronous execution of the DescribeDBSubnetGroups operation.
            
 Declaration Syntax
 Declaration Syntax| C# | 
DescribeDBSubnetGroupsResponse EndDescribeDBSubnetGroups( IAsyncResult asyncResult )
 Parameters
 Parameters- asyncResult (IAsyncResult)
- The IAsyncResult returned by the call to BeginDescribeDBSubnetGroups.
 Return Value
 Return ValueReturns a DescribeDBSubnetGroupsResult from AmazonRDS.