{"ast_node_type":"variable","tokens":[{"end":100,"kind":"keyword","start":0,"text":"let"}]}
                let padding_left = (self.column_width - (self.span_right - self.span_left)) / 5 * 2;
                // Attempt to fit the code window considering the spans and labels plus padding.
                self.computed_left = self.span_left.saturating_sub(padding_left);