syntax_data: {"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     ///   - the DFN of `F` for example would be 5
context_before:     ///   - `A B D E F` and so forth
context_after:     /// - then we determine that `E` is in error -- we will then clear