class_docstr: Low-level strategy implementation wrapping a Lark grammar.
  
  See ``from_lark`` for details.
code: def do_draw(self, data):
      state = DrawState()
      start = data.draw(self.start)
      self.draw_symbol(data, start, state)
      return "".join(state.result)
  
imports: from __future__ import absolute_import, division, print_function
  import attr
  import lark
  from lark.grammar import NonTerminal, Terminal
  import hypothesis.strategies._internal.core
  from hypothesis.errors import InvalidArgument
  from hypothesis.internal.compat import getfullargspec, string_types
  from hypothesis.internal.conjecture.utils import calc_label_from_name
  from hypothesis.internal.validation import check_type
  from hypothesis.strategies._internal import SearchStrategy
label_desc: Use image node_id 2 for calling the LarkStrategy obj's underlying member method code with example usage: obj.do_draw(data) and returns: str