private static Version normalizeTemplateLanguageVersion(Version incompatibleImprovements) {
_TemplateAPI.checkVersionNotNullAndSupported(incompatibleImprovements);
int v = incompatibleImprovements.intValue();
if (v < _TemplateAPI.VERSION_INT_2_3_19) {
return Configuration.VERSION_2_3_0;
} else if (v > _TemplateAPI.VERSION_INT_2_3_21) {
return Configuration.VERSION_2_3_21;
} else { // if 2.3.19 or 2.3.20 or 2.3.21
return incompatibleImprovements;
}
}
