syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:             /// // |          |          | here, would be shifted in 2
context_before:             /// // |          |          |     | here, would be shifted in 1
context_after:             /// // |          | here, would be `INNERMOST` shifted in by 1