{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"///"}]}
///  - [`OpaqueCast`](ProjectionElem::OpaqueCast): This projection changes the place's type to the
///    included - the single possible variant is inferred if it is not included.
///    given one, and makes no other changes. A `OpaqueCast` projection on any type other than an