import { PreviewOptions, SanitizedOptions } from '../../types';
/**
 * Validates all preview options including dimensions, quality, and colors.
 */
export declare function validateOptions(options: PreviewOptions): void;
export declare function validateOptionsLegacy(options: PreviewOptions): void;
/**
 * Central validation gateway - all external input must pass through this.
 */
export declare function sanitizeOptions(options: PreviewOptions): SanitizedOptions;