class_docstr: `CallSignature` objects is the return value of `Script.function_definition`.
  It knows what functions you are currently in. e.g. `isinstance(` would
  return the `isinstance` function. without `(` it would return nothing.
class_docstr_tok: ["`","CallSignature","`","objects","is","the","return","value","of","`","Script.function_definition","`",".","It","knows","what","functions","you","are","currently","in",".","e.g",".","`","isinstance","(","`","would","return","the","`","isinstance","`","function",".","without","`","(","`","it","would","return","nothing","."]
docstr: The indent of the bracket that is responsible for the last function
  call.
docstr_tok: ["The","indent","of","the","bracket","that","is","responsible","for","the","last","function","call","."]
code: def bracket_start(self):
      """
      The indent of the bracket that is responsible for the last function
      call.
      """
      return self._bracket_start_pos
  
imports: import re
  from parso.python.tree import search_ancestor
  from jedi import settings
  from jedi.evaluate.utils import ignored, unite
  from jedi.cache import memoize_method
  from jedi.evaluate import imports
  from jedi.evaluate import compiled
  from jedi.evaluate.imports import ImportName
  from jedi.evaluate.context import instance
  from jedi.evaluate.context import ClassContext, FunctionExecutionContext
  from jedi.api.keywords import KeywordName
label_desc: Use image node_id 3 for calling the CallSignature obj's underlying member method code with example usage: obj.bracket_start() and returns: self