class_docstr: Lexer for HTTP sessions.
  
  .. versionadded:: 1.5
docstr: Reset the content-type state.
docstr_tok: ["Reset","the","content-type","state","."]
code: def get_tokens_unprocessed(self, text, stack=("root",)):
      """Reset the content-type state."""
      self.content_type = None
      return RegexLexer.get_tokens_unprocessed(self, text, stack)
  
imports: import re
  from pygments.lexers import guess_lexer, get_lexer_by_name
  from pygments.lexer import RegexLexer, bygroups, default, do_insertions
  from pygments.token import Text, Comment, Operator, Keyword, Name, String, Number, Generic, Literal, Punctuation
  from pygments.util import ClassNotFound
label_desc: Use image node_id 1 for calling the HttpLexer obj's underlying member method code with example usage: obj.get_tokens_unprocessed(text, stack) and returns: RegexLexer