/usr/share/php/Composer/Repository/ is in composer 1.0.0~beta2-1.
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/usr/share/php/Composer/Repository/ArrayRepository.php
/usr/share/php/Composer/Repository/ArtifactRepository.php
/usr/share/php/Composer/Repository/BaseRepository.php
/usr/share/php/Composer/Repository/ComposerRepository.php
/usr/share/php/Composer/Repository/CompositeRepository.php
/usr/share/php/Composer/Repository/ConfigurableRepositoryInterface.php
/usr/share/php/Composer/Repository/FilesystemRepository.php
/usr/share/php/Composer/Repository/InstalledArrayRepository.php
/usr/share/php/Composer/Repository/InstalledFilesystemRepository.php
/usr/share/php/Composer/Repository/InstalledRepositoryInterface.php
/usr/share/php/Composer/Repository/InvalidRepositoryException.php
/usr/share/php/Composer/Repository/PackageRepository.php
/usr/share/php/Composer/Repository/PathRepository.php
/usr/share/php/Composer/Repository/Pear/
/usr/share/php/Composer/Repository/Pear/BaseChannelReader.php
/usr/share/php/Composer/Repository/Pear/ChannelInfo.php
/usr/share/php/Composer/Repository/Pear/ChannelReader.php
/usr/share/php/Composer/Repository/Pear/ChannelRest10Reader.php
/usr/share/php/Composer/Repository/Pear/ChannelRest11Reader.php
/usr/share/php/Composer/Repository/Pear/DependencyConstraint.php
/usr/share/php/Composer/Repository/Pear/DependencyInfo.php
/usr/share/php/Composer/Repository/Pear/PackageDependencyParser.php
/usr/share/php/Composer/Repository/Pear/PackageInfo.php
/usr/share/php/Composer/Repository/Pear/ReleaseInfo.php
/usr/share/php/Composer/Repository/PearRepository.php
/usr/share/php/Composer/Repository/PlatformRepository.php
/usr/share/php/Composer/Repository/RepositoryFactory.php
/usr/share/php/Composer/Repository/RepositoryInterface.php
/usr/share/php/Composer/Repository/RepositoryManager.php
/usr/share/php/Composer/Repository/RepositorySecurityException.php
/usr/share/php/Composer/Repository/Vcs/
/usr/share/php/Composer/Repository/Vcs/GitBitbucketDriver.php
/usr/share/php/Composer/Repository/Vcs/GitDriver.php
/usr/share/php/Composer/Repository/Vcs/GitHubDriver.php
/usr/share/php/Composer/Repository/Vcs/GitLabDriver.php
/usr/share/php/Composer/Repository/Vcs/HgBitbucketDriver.php
/usr/share/php/Composer/Repository/Vcs/HgDriver.php
/usr/share/php/Composer/Repository/Vcs/PerforceDriver.php
/usr/share/php/Composer/Repository/Vcs/SvnDriver.php
/usr/share/php/Composer/Repository/Vcs/VcsDriver.php
/usr/share/php/Composer/Repository/Vcs/VcsDriverInterface.php
/usr/share/php/Composer/Repository/VcsRepository.php
/usr/share/php/Composer/Repository/WritableArrayRepository.php
/usr/share/php/Composer/Repository/WritableRepositoryInterface.php