if err != nil {
		panic(fmt.Sprintf("Default environment misconfigured: %v", err))
	}
	return envSet
}

// NewExpressionsEnv returns the NewExpressions environment Type for this EnvSet.
// See NewExpressions for details.
func (e *EnvSet) NewExpressionsEnv() *cel.Env {
	return e.newExpressions
}

// StoredExpressionsEnv returns the StoredExpressions environment Type for this EnvSet.

func NewExpressionsEnvLoader() EnvLoader {
	return alwaysNewEnvLoader{loadFn: func(envSet *environment.EnvSet) *cel.Env {
		return envSet.NewExpressionsEnv()
	}}
}

// StoredExpressionsEnvLoader creates an EnvLoader that always uses the StoredExpressions environment type.
func StoredExpressionsEnvLoader() EnvLoader {

	if pe.rules.Has(expression) {
		return envSet.StoredExpressionsEnv()
	}
	return envSet.NewExpressionsEnv()
}

func (pe preexistingExpressions) MessageExpressionEnv(envSet *environment.EnvSet, expression string) *celgo.Env {
	if pe.messageExpressions.Has(expression) {
		return envSet.StoredExpressionsEnv()
	}
	return envSet.NewExpressionsEnv()
}