lSrSSKrSSKr\R"\R5"SS\55rg)zLBase SSHTroubleshooter class for each category of ssh troubleshooting check.Nc\rSrSrSrSrSrSrSr\ RS5r \ RS5r \ RS5r SrS rS rg) SshTroubleshooterzA class whose instance is a ssh troubleshooter. Test authors should subclass Troubleshooter for each troubleshooter subcategory. Nc[e)z;Initialize with project and instance object, and zone. NotImplementedErrorselfs r1s= S 3;;'' 'r