import * as i0 from "@angular/core";
export declare const TUI_HEADER_OPTIONS: import("@angular/core").InjectionToken<{
    size: "" | "body-l" | "body-m" | "body-s" | "h1" | "h2" | "h3" | "h4" | "h5" | "h6";
}>, tuiHeaderOptionsProvider: (item: Partial<{
    size: "" | "body-l" | "body-m" | "body-s" | "h1" | "h2" | "h3" | "h4" | "h5" | "h6";
}> | (() => Partial<{
    size: "" | "body-l" | "body-m" | "body-s" | "h1" | "h2" | "h3" | "h4" | "h5" | "h6";
}>)) => import("@angular/core").FactoryProvider;
export declare class TuiHeader {
    protected readonly nothing: undefined;
    protected readonly options: {
        size: "" | "body-l" | "body-m" | "body-s" | "h1" | "h2" | "h3" | "h4" | "h5" | "h6";
    };
    readonly tuiHeader: import("@angular/core").InputSignal<"" | "body-l" | "body-m" | "body-s" | "h1" | "h2" | "h3" | "h4" | "h5" | "h6">;
    static ɵfac: i0.ɵɵFactoryDeclaration<TuiHeader, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TuiHeader, "[tuiHeader]", never, { "tuiHeader": { "alias": "tuiHeader"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}