export interface OttoPlatformNotification {
    id: string;
    title: string;
    body?: string;
    sessionId?: string;
}
export declare function openPlatformUrl(url: string): boolean;
export declare function showPlatformNotification(notification: OttoPlatformNotification): boolean;
export declare function listPlatformSystemFonts(): Promise<string[]> | null;
export declare function notifyPlatformFontFamilyChanged(fontFamily: string): boolean;
export declare function openPlatformSession(sessionId: string): boolean;
export declare function getPlatformWindowFocused(): boolean | null;
export declare function hasPlatformOpenUrl(): boolean;
export declare function hasPlatformSystemFonts(): boolean;
export declare function isPlatformDesktop(): boolean;
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