parameters: (self)
docstring: This node is what child index? 0..n-1
docstring_summary: This node is what child index? 0..n-1
docstring_tokens: This node is what child index? 0 .. n - 1
function: def getChildIndex(self):
          """This node is what child index? 0..n-1"""
  
          raise NotImplementedError
function_tokens: def getChildIndex ( self ) : raise NotImplementedError