-/** 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.
+/**
+ * Try to localize a given date/time in seconds from Unix epoch, pass through string if invalid
+ *
+ * Allows compatibility with date/time fields that may or may not be in Unix epoch format,
+ * localizing if possible, leaving alone if not.
+ *
+ * @param possibleEpochDate Date/time that might be in seconds since Unix epoch format
+ * @param dateFormat Desired format of the date/time string
+ * @param useUTC If true, use UTC timezone, otherwise use local time
+ * @return Localized date/time if parse succeeded, otherwise the source string