%Error: t/t_parse_sync_bad2.v:9:15: Can't find typedef/interface: 'unknown'
    9 |       typedef unknown defu;
      |               ^~~~~~~
        ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
%Error: t/t_parse_sync_bad2.v:17:7: Can't find typedef/interface: 'Invalid1'
   17 |       Invalid1 invalid1;   
      |       ^~~~~~~~
%Error-UNSUPPORTED: t/t_parse_sync_bad2.v:18:12: Unsupported: Multiple '::' package/class reference
   18 |       pkg::cls::defi valid1;   
      |            ^~~
                    ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
%Error: t/t_parse_sync_bad2.v:18:17: Can't find typedef/interface: 'defi'
   18 |       pkg::cls::defi valid1;   
      |                 ^~~~
%Error-UNSUPPORTED: t/t_parse_sync_bad2.v:19:12: Unsupported: Multiple '::' package/class reference
   19 |       pkg::cls::defu valid2;   
      |            ^~~
%Error: t/t_parse_sync_bad2.v:19:17: Can't find typedef/interface: 'defu'
   19 |       pkg::cls::defu valid2;   
      |                 ^~~~
%Error: t/t_parse_sync_bad2.v:20:7: Can't find typedef/interface: 'Invalid2'
   20 |       Invalid2 invalid2;   
      |       ^~~~~~~~
%Error: Exiting due to