{"ast_node_type":"variable","tokens":[{"end":83,"kind":"keyword","start":0,"text":"let"}]}
            let line_program: &mut LineProgram = &mut self.dwarf.unit.line_program;
        *self.created_files.entry(cache_key).or_insert_with(|| {
            let line_strings: &mut LineStringTable = &mut self.dwarf.line_strings;