class Cucumber::Formatter::LegacyApi::Ast::NullLanguage

but this will pass silently if it happens anyway
ExampleTableRow#keyword is never called on them,
Null object for HeaderRow language.

def method_missing(*args, &block) 

def method_missing(*args, &block)
  self
end

def to_ary 

def to_ary
  ['']
end