7) mvn dependency:tree

 <dependency>
            <groupId>groupId_out</groupId>
            <artifactId>artifactId_out</artifactId>
            <version>version_out</version>
            <exclusions>
                <exclusion>
                    <groupId>groupId_in</groupId>
                    <artifactId>artifactId_in</artifactId>
                </exclusion>
            </exclusions>
        </dependency>