syntax_data: {"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// be modified. `_lock_file` is never directly used, but its presence
context_before:     /// This is the state during which the session directory is private and can
context_after:     /// alone has an effect, because the file will unlock when the session is