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Throw ValueError if package does not exist. 6this method must be implemented by a concrete subclassNNotImplementedErrorselfpackager 2/usr/lib/python3/dist-packages/apport/packaging.py get_versionszPackageInfo.get_versioncCs tddS)zoReturn the latest available version of a package. Throw ValueError if package does not exist. rNrrr r r get_available_versionsz!PackageInfo.get_available_versioncCs tddS)z/Return a list of packages a package depends on.rNrrr r r get_dependencies$szPackageInfo.get_dependenciescCs tddS)zkReturn the source package name for a package. Throw ValueError if package does not exist. rNrrr r r get_source)szPackageInfo.get_sourcecCs tddS)zReturn package origin. Return the repository name from which a package was installed, or None if it cannot be determined. Throw ValueError if package is not installed. rNrrr r r get_package_origin0szPackageInfo.get_package_origincCs tddS)zCheck package origin. 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