syntax_data: {"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // precise capturing projections, since the inserted deref is to the *beginning*
context_before:             // captured by-ref. This would be correct, except for the case where we have
context_after:             // and the peeled deref is at the *end*. I cannot seem to actually find a