{"ast_node_type":"variable","tokens":[{"end":100,"kind":"keyword","start":0,"text":"&&"}]}
            && let Some(alias_ty) = self.hir_node_by_def_id(local_id).alias_ty() // it is type alias
            && let Some(local_id) = def_id.as_local()
            && let Some(alias_generics) = self.hir_node_by_def_id(local_id).generics()