if ( actionCol instanceof ActionSetFieldCol52 ) {
key = new SetFieldColActionDetectorKey( (ActionSetFieldCol52) actionCol );
} else if ( actionCol instanceof ActionInsertFactCol52 ) {
key = new InsertFactActionDetectorKey( (ActionInsertFactCol52) actionCol );
} else {
key = new UnrecognizedActionDetectorKey( actionCol );
}
return new ActionDetector( key,
realCellValue );
}