Example of Icons

IconsExample.ts

declare type FabricIcon =
    | 'SignOut'
    | 'CustomIcon'
    | 'None'
    | 'AADLogo'
    | 'Accept'
    | 'AccessLogo'
    | 'AccessLogoFill'
    | 'Accounts'
    | 'ActivityFeed'
    | 'Add';

const SignOutIcon : FabricIcon = 'SignOut'; // is OK

const NonExistingIcon : FabricIcon = 'NonExistingIcon'; // compile error