syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"Interned(_span)"}]}
source_snippet:             Interned(_span) => SyntaxContext::from_u16(CTXT_INTERNED_MARKER),
context_before:             PartiallyInterned(span) => SyntaxContext::from_u16(span.ctxt),
context_after:         };