// it is evaluated as a template.
	YAML() (string, error)

	// YAMLOrFail calls GetYAML and fails if an error occurs.
	YAMLOrFail(t test.Failer) string

	// MustYAML calls GetYAML and panics if an error occurs.
	MustYAML() string

	// Split this source into individual CRDs.
	Split() ([]Source, error)

	// SplitOrFail calls Split and fails if an error occurs.
	SplitOrFail(t test.Failer) []Source