/**
 * Handles all asset copying and management operations
 */
export declare class AssetManager {
    private readonly sourceDir;
    constructor(sourceDir: string);
    /**
     * Copy images for single or multi-theme generation
     */
    copyImages(outputDir: string, isMultiTheme?: boolean): void;
    /**
     * Copy shared navigator files to global location (for multi-theme)
     */
    copySharedNavigator(rootOutputDir: string): void;
    /**
     * Copy quest navigator files to theme-specific location (for single theme)
     */
    copyQuestNavigator(outputDir: string): void;
    /**
     * Copy global shared assets for multi-theme generation
     */
    copyGlobalAssets(outputDir: string): void;
    /**
     * Load theme-specific CSS file
     */
    loadThemeCSS(theme: string): string;
    /**
     * Load base CSS file
     */
    loadBaseCSS(): string;
    /**
     * Load animations CSS file
     */
    loadAnimationsCSS(): string;
    /**
     * Load a CSS file with optional fallback
     */
    private loadCSSFile;
}
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