/usr/share/doc/libjoptsimple-java/api/joptsimple/ is in libjoptsimple-java-doc 4.5-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libjoptsimple-java/api/joptsimple/ArgumentAcceptingOptionSpec.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/BuiltinHelpFormatter.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/HelpFormatter.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/NonOptionArgumentSpec.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/OptionDescriptor.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/OptionException.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/OptionParser.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/OptionSet.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/OptionSpec.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/OptionSpecBuilder.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/ValueConversionException.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/ValueConverter.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/class-use/
/usr/share/doc/libjoptsimple-java/api/joptsimple/class-use/ArgumentAcceptingOptionSpec.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/class-use/BuiltinHelpFormatter.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/class-use/HelpFormatter.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/class-use/NonOptionArgumentSpec.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/class-use/OptionDescriptor.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/class-use/OptionException.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/class-use/OptionParser.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/class-use/OptionSet.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/class-use/OptionSpec.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/class-use/OptionSpecBuilder.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/class-use/ValueConversionException.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/class-use/ValueConverter.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/AbbreviationMap.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/Classes.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/Objects.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/Reflection.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/ReflectionException.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/Rows.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/Strings.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/class-use/
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/class-use/AbbreviationMap.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/class-use/Classes.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/class-use/Objects.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/class-use/Reflection.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/class-use/ReflectionException.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/class-use/Rows.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/class-use/Strings.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/package-frame.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/package-summary.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/package-tree.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/internal/package-use.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/package-frame.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/package-summary.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/package-tree.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/package-use.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/util/
/usr/share/doc/libjoptsimple-java/api/joptsimple/util/DateConverter.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/util/InetAddressConverter.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/util/KeyValuePair.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/util/RegexMatcher.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/util/class-use/
/usr/share/doc/libjoptsimple-java/api/joptsimple/util/class-use/DateConverter.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/util/class-use/InetAddressConverter.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/util/class-use/KeyValuePair.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/util/class-use/RegexMatcher.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/util/package-frame.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/util/package-summary.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/util/package-tree.html
/usr/share/doc/libjoptsimple-java/api/joptsimple/util/package-use.html