prog, err := ruleEnv.Program(ast,
		cel.CostLimit(perCallLimit),
		cel.CostTracking(estimator),
		cel.InterruptCheckFrequency(celconfig.CheckFrequency),
	)
	if err != nil {

	//
	// If an added cel.Variable has an OpenAPI type, the type must be included in DeclTypes.
	EnvOptions []cel.EnvOption
	// ProgramOptions provides CEL ProgramOptions. This may be used to set a cel.CostLimit,
	// enable optimizations, and set other program level options that should be enabled
	// for all programs using this environment.
	ProgramOptions []cel.ProgramOption

				environment.VersionedOptions{
					IntroducedVersion: environment.DefaultCompatibilityVersion(),
					ProgramOptions:    []celgo.ProgramOption{celgo.CostLimit(tc.testPerCallLimit)},
				},
			)
			if err != nil {
				t.Fatal(err)
			}
			c := NewFilterCompiler(env)