"message" string None Yes An optional message with additional emphasis
"readOnly" boolean None Yes Only enforced by UI elements
"optional" boolean None Yes Indicates setting can be null
"hidden" bool "type" is "string" Yes Indicates the UI should conceal the content. The "ignore" property is required to specify the applicable storage scopes
"requiresRestart" boolean None Yes Enable restart notification in the UI upon change
"uiSelectionAction" string "type" is "string" Yes {"file", "directory", <Registered UIAction Name>} Informs the UI to add a button to open a selection dialog or run a registered UIAction
"quickSettingsGroup" string None Yes Groups related items in the quick settings context menu using dividers to separate groups