{"ast_node_type":"other","tokens":[{"end":132,"kind":"keyword","start":0,"text":"DynMetadata,"}]}
    DynMetadata,             sym::dyn_metadata,        dyn_metadata,               Target::Struct,         GenericRequirement::None;
    Metadata,                sym::metadata_type,       metadata_type,              Target::AssocTy,        GenericRequirement::None;