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diff --git a/src/seastar/include/seastar/util/later.hh b/src/seastar/include/seastar/util/later.hh
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+/*
+ * This file is open source software, licensed to you under the terms
+ * of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+ * distributed with this work for additional information regarding copyright
+ * ownership.  You may not use this file except in compliance with the License.
+ *
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Copyright (C) 2020 ScyllaDB.
+ */
+
+
+#pragma once
+
+#include <seastar/core/future.hh>
+
+namespace seastar {
+
+/// \addtogroup future-util
+/// @{
+
+/// \brief Returns a ready future.
+inline
+future<> now() {
+    return make_ready_future<>();
+}
+
+/// \brief Returns a future which is not ready but is scheduled to resolve soon.
+future<> later() noexcept;
+
+/// @}
+
+} // namespace seastar