findSubGraphLevel method
Return how deep this part is in the hierarchy of nested Groups. For parts that have no #containingGroup this returns zero.
If you want to know how deep a Node is in a tree structure, call Node#findTreeLevel. @return {number} @since 1.5
Implementation
_i2.num findSubGraphLevel() => _i4.callMethod(
this,
'findSubGraphLevel',
[],
);