{"ast_node_type":"variable","tokens":[{"end":39,"kind":"keyword","start":0,"text":"let"}]}
    let krate = def.module(db).krate();
pub fn generics_require_sized_self(db: &dyn HirDatabase, def: GenericDefId) -> bool {
    let Some(sized) = LangItem::Sized.resolve_trait(db, krate) else {