Expanded class hierarchy of Twig_Node_Import in Zircon Profile 8
- class \Twig_Node implements Twig_NodeInterface
- class \Twig_Node_AutoEscape
 - class \Twig_Node_Block
 - class \Twig_Node_BlockReference implements Twig_NodeOutputInterface
 - class \Twig_Node_Body
 - class \Twig_Node_CheckSecurity
 - class \Twig_Node_Do
 - class \Twig_Node_Expression
 - class \Twig_Node_Flush
 - class \Twig_Node_For
 - class \Twig_Node_ForLoop
 - class \Twig_Node_If
 - class \Twig_Node_Import
 - class \Twig_Node_Include implements Twig_NodeOutputInterface
 - class \Twig_Node_Macro
 - class \Twig_Node_Module
 - class \Twig_Node_Print implements Twig_NodeOutputInterface
 - class \Twig_Node_Sandbox
 - class \Twig_Node_Set
 - class \Twig_Node_SetTemp
 - class \Twig_Node_Spaceless
 - class \Twig_Node_Text implements Twig_NodeOutputInterface
 - class \Twig_Profiler_Node_EnterProfile
 - class \Twig_Profiler_Node_LeaveProfile