class_docstr: A leaf that is either completely invalid in a language (like `$` in Python)
  or is invalid at that position. Like the star in `1 +* 1`.
class_docstr_tok: ["A","leaf","that","is","either","completely","invalid","in","a","language","(","like","`","$","`","in","Python",")","or","is","invalid","at","that","position",".","Like","the","star","in","`","1","+","*","1","`","."]
code: def __init__(self, token_type, value, start_pos, prefix=""):
      super(ErrorLeaf, self).__init__(value, start_pos, prefix)
      self.token_type = token_type
  
imports: import sys
  from abc import abstractmethod, abstractproperty
  from parso._compatibility import utf8_repr, encoding
  from parso.utils import split_lines
label_desc: Use image node_id 1 to create a new ErrorLeaf object from inherited base classes: Leaf with example: obj = ErrorLeaf(token_type, value, start_pos, prefix)