{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"max_subst_ty_len:"}]}
            max_subst_ty_len: match self.hover_maxSubstitutionLength() {
            max_enum_variants_count: self.hover_show_enumVariants().to_owned(),
                Some(MaxSubstitutionLength::Hide) => ide::SubstTyLen::Hide,