{"ast_node_type":"function","tokens":[{"end":97,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn original_file_range(self, db: &dyn db::ExpandDatabase) -> (FileRange, SyntaxContext) {
impl InMacroFile<TextSize> {
        span_for_offset(db, &db.expansion_span_map(self.file_id), self.value)