// ValidateKubeEffectiveVersion validates the EmulationVersion is equal to the binary version at 1.31 for kube components.
// emulationVersion is introduced in 1.31, so it is only allowed to be equal to the binary version at 1.31.
func ValidateKubeEffectiveVersion(effectiveVersion EffectiveVersion) error {
	binaryVersion := version.MajorMinor(effectiveVersion.BinaryVersion().Major(), effectiveVersion.BinaryVersion().Minor())
	if binaryVersion.EqualTo(version.MajorMinor(1, 31)) && !effectiveVersion.EmulationVersion().EqualTo(binaryVersion) {
		return fmt.Errorf("emulation version needs to be equal to binary version(%s) in compatibility-version alpha, got %s",
			binaryVersion.String(), effectiveVersion.EmulationVersion().String())
	}
	return nil
}