assemblies/src/main/resources/assemblies/provided-dependencies-descriptor.xml

<?xml version="1.0" encoding="UTF-8"?>
<assembly>
    <id>provided-dependencies</id>
    <formats>
        <format>dir</format>
    </formats>
    <includeBaseDirectory>false</includeBaseDirectory>
    <dependencySets>
        <dependencySet>
            <scope>provided</scope>
            <useProjectArtifact>false</useProjectArtifact>            
        </dependencySet>
    </dependencySets>
    <fileSets>
        <!-- Hack to get Maven assembly to build even if there are no files to include.
          See http://jira.codehaus.org/browse/MASSEMBLY-457. -->
        <fileSet>
            <includes>
                <include>pom.xml</include>
            </includes>
            <outputDirectory>META-INF/maven/${project.groupId}/${project.artifactId}</outputDirectory>
        </fileSet>
    </fileSets>
</assembly>