{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"//"}]}
                    // Deref patterns on boxes don't borrow, so we ignore them here.
                    // stores the result of calling `deref()`/`deref_mut()` so can't be captured).
                    // HACK: this could be a fake pattern corresponding to a deref inserted by match