syntax_data: {"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"end:"}]}
source_snippet:                 end: (local_end.sf.name.clone(), local_end.sf.start_pos),
context_before:                 begin: (local_begin.sf.name.clone(), local_begin.sf.start_pos),
context_after:             })))