public function execute()
{
if (null === $this->enabledFilesystemPathsBefore) {
throw new LogicException('takeSnapshot() was not called');
}
$this->enabledFilesystemPathsAfter = $this->getEnabledFilesystemPaths($this->repositoryPath);
$this->sync($this->enabledFilesystemPathsBefore, $this->enabledFilesystemPathsAfter);
}