{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"//"}]}
            // Otherwise, we only support a scalar, a pair of scalars, or an array of scalars.
            // Fwd mode is easy. If the return activity is Const, we support arbitrary types.
            // We checked that (on a best-effort base) in the preceding gen_enzyme_decl function.