syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"Some(\"1\")"}]}
source_snippet:             Some("1") | Some("limited") => *slot = DebugInfo::Limited,
context_before:             Some("line-tables-only") => *slot = DebugInfo::LineTablesOnly,
context_after:             Some("2") | Some("full") => *slot = DebugInfo::Full,