def handle(klass)
    if parallel? && klass.respond_to?(:current_actor)
      myself = klass.current_actor
    else
      myself = klass
    end
    myself
  end
def handle(klass)
    if parallel? && klass.respond_to?(:current_actor)
      myself = klass.current_actor
    else
      myself = klass
    end
    myself
  end
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