publicbooleanInstalled(){returnthis.Data__core_mgr()!=null;}// not sure if this is the best way
publicbooleanInstalled(){returninstalled_by_test||this.Data__core_mgr()!=null;}// not sure if this is the best way
publicvoidInstalled_by_test_(booleanv){installed_by_test=v;}privatebooleaninstalled_by_test=false;// HACK:need to manually mark installed for TEST; DATE:2019-11-17