public DirectConnectGatewayAttachment withVirtualInterfaceRegion(String virtualInterfaceRegion) {
        setVirtualInterfaceRegion(virtualInterfaceRegion);
        return this;
    }
<p>
The Amazon Web Services Region where the virtual interface is located.
</p>

@param virtualInterfaceRegion
       The Amazon Web Services Region where the virtual interface is located.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-directconnect/src/main/java/com/amazonaws/services/directconnect/model/DirectConnectGatewayAttachment.java