/usr/share/php/Prophecy/Doubler/ is in php-phpspec-prophecy 1.6.0-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Prophecy/Doubler/CachedDoubler.php
/usr/share/php/Prophecy/Doubler/ClassPatch/
/usr/share/php/Prophecy/Doubler/ClassPatch/ClassPatchInterface.php
/usr/share/php/Prophecy/Doubler/ClassPatch/DisableConstructorPatch.php
/usr/share/php/Prophecy/Doubler/ClassPatch/HhvmExceptionPatch.php
/usr/share/php/Prophecy/Doubler/ClassPatch/KeywordPatch.php
/usr/share/php/Prophecy/Doubler/ClassPatch/MagicCallPatch.php
/usr/share/php/Prophecy/Doubler/ClassPatch/ProphecySubjectPatch.php
/usr/share/php/Prophecy/Doubler/ClassPatch/ReflectionClassNewInstancePatch.php
/usr/share/php/Prophecy/Doubler/ClassPatch/SplFileInfoPatch.php
/usr/share/php/Prophecy/Doubler/ClassPatch/TraversablePatch.php
/usr/share/php/Prophecy/Doubler/DoubleInterface.php
/usr/share/php/Prophecy/Doubler/Doubler.php
/usr/share/php/Prophecy/Doubler/Generator/
/usr/share/php/Prophecy/Doubler/Generator/ClassCodeGenerator.php
/usr/share/php/Prophecy/Doubler/Generator/ClassCreator.php
/usr/share/php/Prophecy/Doubler/Generator/ClassMirror.php
/usr/share/php/Prophecy/Doubler/Generator/Node/
/usr/share/php/Prophecy/Doubler/Generator/Node/ArgumentNode.php
/usr/share/php/Prophecy/Doubler/Generator/Node/ClassNode.php
/usr/share/php/Prophecy/Doubler/Generator/Node/MethodNode.php
/usr/share/php/Prophecy/Doubler/Generator/ReflectionInterface.php
/usr/share/php/Prophecy/Doubler/LazyDouble.php
/usr/share/php/Prophecy/Doubler/NameGenerator.php