{"ast_node_type":"struct","tokens":[{"end":34,"kind":"keyword","start":0,"text":"pub"}]}
pub struct ImplTraitHeader<'tcx> {
#[derive(Copy, Clone, Debug, TyEncodable, TyDecodable, HashStable)]
    pub trait_ref: ty::EarlyBinder<'tcx, ty::TraitRef<'tcx>>,