import { ApiPropertyOptions } from '@nestjs/swagger';
/**
 * Decorator for the 'src' property representing the image URL.
 * Enforces HTTPS URLs to ensure secure loading of images.
 *
 * @param {ApiPropertyOptions} options - Swagger API property options.
 * @returns {PropertyDecorator} Decorators for validation, transformation, and API documentation.
 */
export declare function ThumbnailSrc(options?: ApiPropertyOptions): PropertyDecorator;