A node update descriptor to describe the updates to apply to a node of a deployed application.
The name of the node to update.
The updated description (or null if the description wasn't updated.)
The variables to update.
The variables to remove.
The property sets to update.
The property sets to remove.
The server instances to update.
The servers which are not template instances to update.
The ids of the servers to remove.
The updated load factor of the node (or null if the load factor was not updated).