def doc_string(string_without_triple_quotes, content_type = '', _line_offset = 0)
      location = Core::Test::Location.of_caller
      Core::Test::DocString.new(string_without_triple_quotes, content_type, location)
    end
def doc_string(string_without_triple_quotes, content_type = '', _line_offset = 0)
      location = Core::Test::Location.of_caller
      Core::Test::DocString.new(string_without_triple_quotes, content_type, location)
    end
Returns Ast::DocString for +string_without_triple_quotes+.