/usr/share/doc/libmodello-java/api/org/codehaus/modello/plugin/xdoc/ is in libmodello-java-doc 1.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libmodello-java/api/org/codehaus/modello/plugin/xdoc/XdocGenerator.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/plugin/xdoc/metadata/
/usr/share/doc/libmodello-java/api/org/codehaus/modello/plugin/xdoc/metadata/XdocAssociationMetadata.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/plugin/xdoc/metadata/XdocClassMetadata.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/plugin/xdoc/metadata/XdocFieldMetadata.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/plugin/xdoc/metadata/XdocMetadataPlugin.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/plugin/xdoc/metadata/XdocModelMetadata.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/plugin/xdoc/metadata/package-frame.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/plugin/xdoc/metadata/package-summary.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/plugin/xdoc/metadata/package-tree.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/plugin/xdoc/package-frame.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/plugin/xdoc/package-summary.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/plugin/xdoc/package-tree.html