{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"Some(ty::ClauseKind::Projection("}]}
                                    Some(ty::ClauseKind::Projection(
                                ty::ClauseKind::Projection(proj_pred) => {
                                        proj_pred.with_replaced_self_ty(fcx.tcx, ty),