public ClientVpnConnection withConnectionId(String connectionId) {
        setConnectionId(connectionId);
        return this;
    }
<p>
The ID of the client connection.
</p>

@param connectionId
       The ID of the client connection.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/ClientVpnConnection.java