`.keras` extension. This file format targets the Python runtime only and makes it possible to reload Python objects identical to the saved originals. The format supports non-numerical state such as vocabulary files and lookup tables, and it is easy to customize in the case of custom layers with exotic elements of state (e.g. a FIFOQueue). The format does not rely on bytecode or pickling, and is safe by default. Note that as a result, Python `lambdas` are disallowed at loading time. If you want to use `lambdas`,...

	preferDualStack := core.IPFamilyPolicyPreferDualStack

	testCases := []struct {
		name         string
		tweakSvc     func(svc *core.Service) // given a basic valid service, each test case can customize it
		numErrs      int
		featureGates []featuregate.Feature
	}{{
		name: "missing namespace",
		tweakSvc: func(s *core.Service) {
			s.Namespace = ""
		},
		numErrs: 1,
	}, {