class T::Private::Methods::DeclBuilder

def finalize!
  check_live!
  if decl.bind.equal?(ARG_NOT_PROVIDED)
    decl.bind = nil
  end
  if decl.checked.equal?(ARG_NOT_PROVIDED)
    decl.checked = :always
  end
  if decl.soft_notify.equal?(ARG_NOT_PROVIDED)
    decl.soft_notify = nil
  end
  if decl.generated.equal?(ARG_NOT_PROVIDED)
    decl.generated = false
  end
  if decl.params.equal?(ARG_NOT_PROVIDED)
    decl.params = {}
  end
  if decl.type_parameters.equal?(ARG_NOT_PROVIDED)
    decl.type_parameters = {}
  end
  decl.finalized = true
  self
end