{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"debug_assert!(self.expanded.value.text_range().contains(offset));"}]}
        debug_assert!(self.expanded.value.text_range().contains(offset));
    ) -> (FileRange, SyntaxContext) {
        span_for_offset(db, &self.exp_map, offset)