How do I set modifier on a member?

you suffix member declaration with 'is' and the modifier

{{{
class HasAMember
  def doSomething is protected
    pass
}}}

How do I set multiple modifier on a member?

you suffix member declaration with 'is' and a comma delimited list of modifier

{{{
class OverridesAMember
  def doSomething is protected, override
    pass
}}}