/**
 * Style Injector Utilities
 *
 * Utilities for injecting preview-only CSS styles into the document.
 * Uses data attributes and style injection to avoid modifying actual elements.
 */
export interface PreviewStyles {
    boxShadow?: string;
    textShadow?: string;
    glow?: {
        color: string;
        blur: number;
        spread: number;
    };
    backgroundColor?: string;
    backgroundImage?: string;
    border?: {
        color: string;
        width: string;
        style: string;
    };
    customCss?: string;
}
/**
 * Inject preview styles for a selected element
 */
export declare function injectPreviewStyles(element: HTMLElement | null, styles: PreviewStyles): void;
/**
 * Update preview styles for the currently selected element
 */
export declare function updatePreviewStyles(element: HTMLElement | null, styles: PreviewStyles): void;
/**
 * Remove all preview styles
 */
export declare function removePreviewStyles(): void;
/**
 * Check if preview styles are active
 */
export declare function hasPreviewStyles(): boolean;
//# sourceMappingURL=style-injector.d.ts.map