(groovy) branch GROOVY-9381 updated: Add license header

[sunlan]

This is an automated email from the ASF dual-hosted git repository.

sunlan pushed a commit to branch GROOVY-9381
in repository https://gitbox.apache.org/repos/asf/groovy.git


The following commit(s) were added to refs/heads/GROOVY-9381 by this push:
     new fcaf1fc9e6 Add license header
fcaf1fc9e6 is described below

commit fcaf1fc9e6ccac18d16eadabe8189208788a3e59
Author: Daniel Sun <sun...@apache.org>
AuthorDate: Sat Oct 25 20:51:51 2025 +0900

    Add license header
---
 src/main/groovy/groovy/util/concurrent/Promise.java | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/main/groovy/groovy/util/concurrent/Promise.java 
b/src/main/groovy/groovy/util/concurrent/Promise.java
index f4fe31b23b..c05ac6d234 100644
--- a/src/main/groovy/groovy/util/concurrent/Promise.java
+++ b/src/main/groovy/groovy/util/concurrent/Promise.java
@@ -1,3 +1,21 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); 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.
+ */
 package groovy.util.concurrent;
 
 import java.util.concurrent.CancellationException;