/usr/share/doc/libmodello1.4-java/api/org/codehaus/modello/plugin/java/metadata/ is in libmodello1.4-java-doc 1.4.1-1.
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/usr/share/doc/libmodello1.4-java/api/org/codehaus/modello/plugin/java/metadata/JavaAssociationMetadata.html
/usr/share/doc/libmodello1.4-java/api/org/codehaus/modello/plugin/java/metadata/JavaClassMetadata.html
/usr/share/doc/libmodello1.4-java/api/org/codehaus/modello/plugin/java/metadata/JavaFieldMetadata.html
/usr/share/doc/libmodello1.4-java/api/org/codehaus/modello/plugin/java/metadata/JavaInterfaceMetadata.html
/usr/share/doc/libmodello1.4-java/api/org/codehaus/modello/plugin/java/metadata/JavaMetadataPlugin.html
/usr/share/doc/libmodello1.4-java/api/org/codehaus/modello/plugin/java/metadata/JavaModelMetadata.html
/usr/share/doc/libmodello1.4-java/api/org/codehaus/modello/plugin/java/metadata/package-frame.html
/usr/share/doc/libmodello1.4-java/api/org/codehaus/modello/plugin/java/metadata/package-summary.html
/usr/share/doc/libmodello1.4-java/api/org/codehaus/modello/plugin/java/metadata/package-tree.html