{"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":"TraitAscription(GenericBounds<'hir>),"}]}
    TraitAscription(GenericBounds<'hir>),
    /// A trait ascription type, which is `impl Trait` within a local binding.
    /// A trait object type `Bound1 + Bound2 + Bound3`