The usage for the node is set automatically. When AddNodeOptions.autoExpand is set to true, the
usage becomes "open", which means that the node will be expanded immediately when added.
Otherwise, the usage is "auto", meaning that the node will be expanded when required.
The usage for the node is set automatically. When AddNodeOptions.autoExpand is set to
true, the usage becomes "open", which means that the node will be expanded immediately when added. Otherwise, the usage is "auto", meaning that the node will be expanded when required.