original_docstring: 
          Prepend the child before all other children.
  
          Args:
              child (:class:`~py_trees.behaviour.Behaviour`): child to insert
  
          Returns:
              uuid.UUID: unique id of the child
          
docstring: Prepend the child before all other children.
docstring_tokens: Prepend the child before all other children .
code: def prepend_child(self, child):
          """
          Prepend the child before all other children.
  
          Args:
              child (:class:`~py_trees.behaviour.Behaviour`): child to insert
  
          Returns:
              uuid.UUID: unique id of the child
          """
          self.children.insert(0, child)
          child.parent = self
          return child.id
code_tokens: def prepend_child ( self , child ) : self . children . insert ( 0 , child ) child . parent = self return child . id
short_docstring: Prepend the child before all other children.
short_docstring_tokens: Prepend the child before all other children .
comment: """
          Prepend the child before all other children.
  
          Args:
              child (:class:`~py_trees.behaviour.Behaviour`): child to insert
  
          Returns:
              uuid.UUID: unique id of the child
          """