-/** Reads a data item from a device that has previously been written by writeDataToDevice().
- * If not enough data bytes are available, the function returns false and the QVariant reference
- * remains untouched.
+//! Returns a list of data directory paths
+/** There are several locations for applications to install their data files in. On Unix,
+ * a common location is /usr/share; others include $PREFIX/share and additional directories
+ * specified in the env variable XDG_DATA_DIRS.
+ * \return A list of directory paths to look for data files in