import { ImageDocument } from '../../hooks/image-gen/types';
export interface EnhancedVersionInfo {
    id: string;
    created?: number;
    promptKey?: string;
    prompt?: string;
}
type VersionInfoResult = {
    versions: EnhancedVersionInfo[];
    currentVersion: number;
};
/**
 * Get version information from document or create defaults
 */
export declare function getVersionInfo(document: ImageDocument & {
    _id: string;
}): VersionInfoResult;
/**
 * Get prompt information from the document
 * @param document The image document
 * @param versionIndex Optional index of the version to get prompt for
 */
export declare function getPromptInfo(document: ImageDocument & {
    _id: string;
}, versionIndex?: number): {
    currentPrompt: string;
    prompts: Record<string, import("../../hooks/image-gen/types").PromptEntry>;
    currentPromptKey: string;
} | {
    currentPrompt: string;
    prompts: {
        legacy: {
            text: string;
        };
    };
    currentPromptKey: string;
};
/**
 * Get the current version file key
 */
export declare function getCurrentFileKey(document: ImageDocument & {
    _id: string;
}, versionIndex: number, versions: EnhancedVersionInfo[]): string | null;
export {};