{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"GenericArg,"}]}
    GenericArg, GenericArgData, Goal, GoalData, Guidance, InEnvironment, InferenceVar, Interner,
    AliasEq, AliasTy, BoundVar, Canonical, Const, ConstValue, DebruijnIndex, DomainGoal,
    Lifetime, OpaqueTyId, ParamKind, ProjectionTy, ProjectionTyExt, Scalar, Solution, Substitution,