# File lib/cucumber/runtime/support_code.rb, line 20
        def step(step)
          cucumber_multiline_arg = case(rubify(step.multiline_arg))
          when Gherkin::Formatter::Model::PyString
            step.multiline_arg.value
          when Array
            Ast::Table.new(step.multiline_arg.map{|row| row.cells})
          else
            nil
          end
          @support_code.invoke(step.name, cucumber_multiline_arg) 
        end