@Override
    public java.util.concurrent.Future<DescribeVirtualInterfacesResult> describeVirtualInterfacesAsync(DescribeVirtualInterfacesRequest request) {

        return describeVirtualInterfacesAsync(request, null);
    }
Simplified method form for invoking the DescribeVirtualGateways operation with an AsyncHandler.

@see #describeVirtualGatewaysAsync(DescribeVirtualGatewaysRequest, com.amazonaws.handlers.AsyncHandler)
aws-java-sdk-directconnect/src/main/java/com/amazonaws/services/directconnect/AmazonDirectConnectAsyncClient.java