export interface FontImportForInjection {
    family: string;
    options: {
        variable?: string;
        fallback?: string[];
    };
}
/**
 * Inject font CSS and preload links into index.html
 * Uses idempotent comment markers to prevent duplicates
 */
export declare function injectFontResources(indexPath: string, preloadLinks: string): void;
/**
 * Inject Tailwind v4 @theme configuration into styles file
 */
export declare function injectTailwindV4(sourceRoot: string, projectRoot: string, fontImports: FontImportForInjection[], customFile?: string): void;
/**
 * Inject Tailwind v3 configuration into tailwind.config file
 */
export declare function injectTailwindV3(projectRoot: string, fontImports: FontImportForInjection[], customFile?: string): void;
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