def EXT method_name, *description, **metadata, &body
  INSTANCE_METHOD \
    method_name, 
    *description,
    **metadata \
  do
    subject do
      
    end
  end
end
def EXT method_name, *description, **metadata, &body
  INSTANCE_METHOD \
    method_name, 
    *description,
    **metadata \
  do
    subject do
      
    end
  end
end
Definitions
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