{"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"lower::generics::ImplTraitLowerFn,"}]}
        lower::generics::ImplTraitLowerFn,
        expander::Expander,
        path::{AssociatedTypeBinding, GenericArg, GenericArgs, GenericArgsParentheses, Path},