/usr/share/doc/collectd-core/examples/collection3/lib/Collectd/Graph/ is in collectd-core 5.5.1-1build2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/collectd-core/examples/collection3/lib/Collectd/Graph/Common.pm
/usr/share/doc/collectd-core/examples/collection3/lib/Collectd/Graph/Config.pm
/usr/share/doc/collectd-core/examples/collection3/lib/Collectd/Graph/Type/
/usr/share/doc/collectd-core/examples/collection3/lib/Collectd/Graph/Type.pm
/usr/share/doc/collectd-core/examples/collection3/lib/Collectd/Graph/Type/ArcCounts.pm
/usr/share/doc/collectd-core/examples/collection3/lib/Collectd/Graph/Type/Df.pm
/usr/share/doc/collectd-core/examples/collection3/lib/Collectd/Graph/Type/GenericIO.pm
/usr/share/doc/collectd-core/examples/collection3/lib/Collectd/Graph/Type/GenericStacked.pm
/usr/share/doc/collectd-core/examples/collection3/lib/Collectd/Graph/Type/JavaMemory.pm
/usr/share/doc/collectd-core/examples/collection3/lib/Collectd/Graph/Type/Load.pm
/usr/share/doc/collectd-core/examples/collection3/lib/Collectd/Graph/Type/PsCputime.pm
/usr/share/doc/collectd-core/examples/collection3/lib/Collectd/Graph/Type/TableSize.pm
/usr/share/doc/collectd-core/examples/collection3/lib/Collectd/Graph/Type/Wirkleistung.pm
/usr/share/doc/collectd-core/examples/collection3/lib/Collectd/Graph/TypeLoader.pm