owncloud / core

		// if no applicable were set, raise a signal for "all"

		$oldApplicableUsers = $oldStorage->getApplicableUsers();

		$oldApplicableGroups = $oldStorage->getApplicableGroups();

		if (empty($oldApplicableUsers) && empty($oldApplicableGroups)) {

			$this->triggerApplicableHooks(

				Filesystem::signal_delete_mount,

				$oldStorage->getMountPoint(),

				\OC_Mount_Config::MOUNT_TYPE_USER,

				['all']

			);

		}

		// trigger delete for removed users

		$this->triggerApplicableHooks(

		// if no applicable, raise a signal for "all"

		$newApplicableUsers = $newStorage->getApplicableUsers();

		$newApplicableGroups = $newStorage->getApplicableGroups();

		if (empty($newApplicableUsers) && empty($newApplicableGroups)) {

			$this->triggerApplicableHooks(

				Filesystem::signal_create_mount,

				$newStorage->getMountPoint(),

				\OC_Mount_Config::MOUNT_TYPE_USER,

				['all']

			);

		}

	}

	/**