component {3ab3cbc0-8513-11e1-b0c4-0800200c9a66} SettingsService.js
contract @mozilla.org/settingsServiceLock;1 {3ab3cbc0-8513-11e1-b0c4-0800200c9a66}

component {3458e760-8513-11e1-b0c4-0800200c9a66} SettingsService.js
contract @mozilla.org/settingsService;1 {3458e760-8513-11e1-b0c4-0800200c9a66}