internal void ParseHeaderLines()
{
JsonTag = ParserUtilities.ParseTitle(_reader.ReadLine());
_tags = ParserUtilities.ParseTags(_reader.ReadLine(), "#geneSymbol", NumRequiredColumns, "second");
CheckTagsAndSetJsonKeys();
Categories = ParserUtilities.ParseCategories(_reader.ReadLine(), NumRequiredColumns, _numAnnotationColumns, _annotationValidators, "third");
Descriptions = ParserUtilities.ParseDescriptions(_reader.ReadLine(), NumRequiredColumns, _numAnnotationColumns, "forth");
ValueTypes = ParserUtilities.ParseTypes(_reader.ReadLine(), NumRequiredColumns, _numAnnotationColumns, "fifth");
}
