/usr/share/doc/libmodello-java/api/org/codehaus/modello/metadata/ 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/metadata/AbstractMetadataPlugin.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/metadata/AssociationMetadata.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/metadata/ClassMetadata.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/metadata/FieldMetadata.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/metadata/Metadata.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/metadata/MetadataPlugin.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/metadata/ModelMetadata.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/metadata/package-frame.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/metadata/package-summary.html
/usr/share/doc/libmodello-java/api/org/codehaus/modello/metadata/package-tree.html