File list (Check if you may need any files):
gson
....\gson
....\....\2.1
....\....\...\_remote.repositories
....\....\...\gson-2.1-javadoc.jar
....\....\...\gson-2.1-javadoc.jar.md5
....\....\...\gson-2.1-javadoc.jar.sha1
....\....\...\gson-2.1-sources.jar
....\....\...\gson-2.1-sources.jar.md5
....\....\...\gson-2.1-sources.jar.sha1
....\....\...\gson-2.1.jar
....\....\...\gson-2.1.jar.md5
....\....\...\gson-2.1.jar.sha1
....\....\...\gson-2.1.pom
....\....\...\gson-2.1.pom.md5
....\....\...\gson-2.1.pom.sha1
....\....\...\m2e-lastUpdated.properties