{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"f.debug_struct(\"SymbolIndex\").field(\"n_symbols\","}]}
        f.debug_struct("SymbolIndex").field("n_symbols", &self.symbols.len()).finish()
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
    }