/usr/share/doc/libclassworlds-java/api/package-list is in libclassworlds-java-doc 1.1-final-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | org.codehaus.classworlds
org.codehaus.classworlds.uberjar.boot
org.codehaus.classworlds.uberjar.protocol.jar
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