import { Image } from '../../types';
export declare function validateCaption(caption: string): void;
export declare function validateImageExists(image_path: string, isThumbnail?: boolean): void;
export declare function validateImageAspectRatio(image: Image): void;
export declare function validateImageJPG(image: Image, isThumbnail?: boolean): void;
export declare function validateVideoExists(video_path: string): void;
export declare function validateVideoMp4(video_path: string): void;