/**
 * CSS Style Injection Utility
 *
 * This utility automatically injects the SDK's CSS styles into the document
 * by loading them from the package's CSS file. This ensures the widget displays
 * correctly even if consumers forget to import the CSS file.
 */
/**
 * Try to find the CSS file path from the package
 */
export declare function findCSSPath(): string | null;
/**
 * Inject Voxket SDK styles into the document
 * This is called automatically when the SDK is used
 *
 * @param options.force - Force injection even if styles appear to be loaded
 * @param options.cssUrl - Custom URL to load CSS from
 */
export declare function injectStyles(options?: {
    force?: boolean;
    cssUrl?: string;
}): void;
/**
 * Remove injected styles (useful for cleanup in tests)
 */
export declare function removeInjectedStyles(): void;