true if the tree node has the focus. Otherwise, false. Defaults to false.
A css string for this tree node icon.
An unique id of this node.
A human-readable name of this tree node.
A next sibling of this tree node.
A parent node of this tree node. Undefined if this node is root.
A previous sibling of this tree node.
true if the tree node is selected. Otherwise, false.
Test whether this node should be rendered. If undefined then node will be rendered.
Whether this node is busy. Greater than 0 then busy; otherwise not.