fun <Req, Res, ReqH, ResH, PathP, QueryP, CookieP> ApiContract<Req, Res, ReqH, ResH, PathP, QueryP, CookieP>.response(status: Int = 200, block: ApiResponse.Companion.Builder<Res, ResH>.() -> Unit): ApiResponse<Res, ResH> Creates an ApiResponse for this contract with a DSL-type Builder.