{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"self.out.reserve(self.pending_indentation"}]}
        self.out.reserve(self.pending_indentation as usize);
        // sufficiently large, that the difference is significant on some workloads.
        self.out.extend(iter::repeat(' ').take(self.pending_indentation as usize));