import type { ImageDocument } from '../../hooks/image-gen/types';
/**
 * Possible display modes for the ImgGen component
 */
export type ImgGenMode = 'placeholder' | 'uploadWaiting' | 'generating' | 'display' | 'error';
/**
 * Pure function to determine the current mode of the ImgGen component
 * based on available document data and component state
 */
export declare function getImgGenMode({ document, prompt, loading, error, debug, }: {
    document: ImageDocument | null;
    prompt?: string;
    loading: boolean;
    error?: Error;
    debug?: boolean;
}): ImgGenMode;