{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"self,"}]}
    self, HirTraitObjectVisitor, NiceRegionError, TraitObjectVisitor, find_anon_type,
use rustc_trait_selection::error_reporting::infer::nice_region_error::{
    find_param_with_region, suggest_adding_lifetime_params,