checkstyle.xml

<!DOCTYPE module PUBLIC "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN" "https://checkstyle.org/dtds/configuration_1_3.dtd">

<module name="Checker">
    <module name="RegexpHeader">
        <property name="header" value="/\*\n \* Copyright [\d\-]+ [A-Za-z\, ]+\n \*\n \* Licensed under the Apache License, Version 2\.0 \(the &quot;License&quot;\);\n \* you may not use this file except in compliance with the License\.\n \* You may obtain a copy of the License at\n \*\n \*    http://www\.apache\.org/licenses/LICENSE\-2\.0\n \*\n \* Unless required by applicable law or agreed to in writing, software\n \* distributed under the License is distributed on an &quot;AS IS&quot; BASIS,\n \* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n \* See the License for the specific language governing permissions and\n \* limitations under the License.\n \*/\n\npackage "/>
    </module>
</module>