class Parser::LexerStrings

def extend_string_slice_end(lookahead)

def extend_string_slice_end(lookahead)
  # tLABEL_END is only possible in non-cond context on >= 2.2
  if @version >= 22 && !cond.active?
    lookahead = source_buffer.slice(@te, 2)
  end
  lookahead
end