/usr/share/doc/libjgraph-java-doc/api/org/jgraph/plaf/basic/class-use/ is in libjgraph-java-doc 5.12.4.2+dfsg-2.
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/usr/share/doc/libjgraph-java-doc/api/org/jgraph/plaf/basic/class-use/BasicGraphDropTargetListener.html
/usr/share/doc/libjgraph-java-doc/api/org/jgraph/plaf/basic/class-use/BasicGraphTransferable.html
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/usr/share/doc/libjgraph-java-doc/api/org/jgraph/plaf/basic/class-use/BasicGraphUI.html