syntax_data: {"ast_node_type":"other","tokens":[{"end":101,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// The `DefId` of the `TraitItem` or `ImplItem` for the associated type `N` depending on whether
context_after:     /// this is a projection or an inherent projection or the `DefId` of the `OpaqueType` item if