syntax_data: {"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"offset_of_data:"}]}
source_snippet:     offset_of_data: ItemLocalMap<(Ty<'tcx>, Vec<(VariantIdx, FieldIdx)>)>,
context_before:     /// Container types and field indices of `offset_of!` expressions
context_after: }