class_docstr: Pygments Lexer for Stan models.
  
  The Stan modeling language is specified in the *Stan Modeling Language
  User's Guide and Reference Manual, v2.17.0*,
  `pdf <https://github.com/stan-dev/stan/releases/download/v2.17.0/stan-reference-2.17.0.pdf>`__.
  
  .. versionadded:: 1.6
code: def analyse_text(text):
      if re.search(r"^\s*parameters\s*\{", text, re.M):
          return 1.0
      else:
          return 0.0
  
file_path: catboost/contrib/python/Pygments/py3/pygments/lexers/modeling.py
imports: import re
  from pygments.lexer import RegexLexer, include, bygroups, using, default
  from pygments.token import Text, Comment, Operator, Keyword, Name, String, Number, Punctuation, Whitespace
  from pygments.lexers.html import HtmlLexer
  from pygments.lexers import _stan_builtins
label_desc: Use image node_id 1 for calling the StanLexer obj's underlying member method code with example usage: obj.analyse_text(text) and returns: int, int