syntax_data: {"ast_node_type":"other","tokens":[{"end":16,"kind":"keyword","start":0,"text":"}"}]}
source_snippet:         } else {
context_before:             self.absolute_position(lines[line_index])..self.end_position()
context_after:             self.absolute_position(lines[line_index])..self.absolute_position(lines[line_index + 1])