OptionalclassesOptionalcssyou should only use style/css for very special cases; use classes instead
OptionalgrabbableWether the node can be grabbed and moved by the user
OptionalgroupOptionallockedWhen locked a node's position is immutable (default false)
OptionalpositionThe model position of the node (optional on init, mandatory after)
Optionalrenderedcan alternatively specify position in rendered on-screen pixels
OptionalscratchScratchpad data (usually temp or nonserialisable data)
OptionalselectableWhether the selection state is mutable (default true)
OptionalselectedWhether the element is selected (default false)
OptionalstyleCssStyleDeclaration;
a space separated list of class names that the element has