<node text="target_func(x=func1, y=func2(), z=lambda: func3, w=lambda: func4()) (hierarchy.call.Static.Lambda.main)" base="true">
  <node text="func8() (hierarchy.call.Static.Lambda.file_1)"/>
  <node text="func13() (hierarchy.call.Static.Lambda.file_1)"/>
  <node text="func15() (hierarchy.call.Static.Lambda.file_1)"/>
  <node text="inner(ix=func7, iy=func8(), iz=lambda: func9, iw=lambda: func10()) (hierarchy.call.Static.Lambda.main)">
    <node text="func11() (hierarchy.call.Static.Lambda.file_1)"/>
  </node>
</node>