syntax_data: {"ast_node_type":"other","tokens":[{"end":13,"kind":"keyword","start":0,"text":"}"}]}
source_snippet:             }
context_before:                 Ok(relation.relate(a_lt, b_lt)?.into())
context_after:             (ty::GenericArgKind::Type(a_ty), ty::GenericArgKind::Type(b_ty)) => {