{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"assert_eq!(idx.ui,"}]}
    assert_eq!(idx.ui, chalk_ir::UniverseIndex::ROOT);
pub fn from_placeholder_idx(db: &dyn HirDatabase, idx: PlaceholderIndex) -> TypeOrConstParamId {
    // SAFETY: We cannot really encapsulate this unfortunately, so just hope this is sound.