text: public IndexFormatTooOldException(string resourceDesc, int version, int minVersion, int maxVersion): base("Format version is not supported (resource: " + resourceDesc + "): " + version + " (needs to be between " + minVersion + " and " + maxVersion + "). this version of Lucene only supports indexes created with release 3.0 and later."){Debug.Assert(resourceDesc != null);}