export declare const TUI_TOOLTIP_OPTIONS: import("@angular/core").InjectionToken<{
    icon: string;
    appearance: string;
}>, tuiTooltipOptionsProvider: (item: Partial<{
    icon: string;
    appearance: string;
}> | (() => Partial<{
    icon: string;
    appearance: string;
}>)) => import("@angular/core").FactoryProvider;