am: 75549d01bf
* commit '75549d01bf0ca3e28fc1e8f2ef6b9d08e686048d':
Un-hide string set persistence methods in Preference
am: 75549d01bf
* commit '75549d01bf0ca3e28fc1e8f2ef6b9d08e686048d':
Un-hide string set persistence methods in Preference