import type { LocalFontOptions, FontResult } from "../lib/core/types.js";
/**
 * Service for managing local fonts at runtime
 */
export declare class LocalFontService {
    private loadedFonts;
    /**
     * Load a local font and return a signal with the result
     */
    loadFont(options: LocalFontOptions): import("@angular/core").WritableSignal<FontResult>;
    /**
     * Get all loaded fonts
     */
    getAllLoadedFonts(): import("@angular/core").Signal<FontResult[]>;
    /**
     * Check if a font is loaded
     */
    isFontLoaded(options: LocalFontOptions): boolean;
    /**
     * Preload multiple fonts
     */
    preloadFonts(fontConfigs: LocalFontOptions[]): Promise<void>;
    /**
     * Get CSS variables for all loaded fonts (useful for Tailwind)
     */
    getCSSVariables(): import("@angular/core").Signal<Record<string, string>>;
    /**
     * Generate CSS class string for all loaded fonts
     */
    getFontClasses(): import("@angular/core").Signal<string>;
}
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