findTreeParentLink method
Returns the Link that connects with the tree parent Node of this node if the graph is tree-structured, if there is such a link and Link#isTreeLink is true. @return {Link} The Link to the parent Node, or null if there is no parent node. @see #findTreeParentNode @see #findTreeChildrenLinks @see Diagram#isTreePathToChildren @see #findTreeRoot @see #findTreeParentChain @since 1.1
Implementation
_i3.Link? findTreeParentLink() => _i4.callMethod(
this,
'findTreeParentLink',
[],
);