import type { FileMeta } from "./img-gen.js";
export declare function mediaDbName(hostDbName: string): string;
export interface MediaVersionDoc {
    readonly type: "version";
    readonly hostDocId: string;
    readonly promptKey: string;
    readonly seq: number;
    readonly authorHandle: string;
    readonly prompt?: string;
    readonly model?: string;
    readonly sourceKey?: string;
    readonly _files: Record<string, FileMeta>;
}
export interface MediaPointerDoc {
    readonly type: "pointer";
    readonly hostDocId: string;
    readonly promptKey: string;
    readonly authorHandle: string;
    readonly currentSeq: number;
}
export declare function mediaVersionDocId(hostDocId: string, promptKey: string, seq: number): string;
export declare function mediaPointerDocId(hostDocId: string, authorHandle: string): string;
export interface BuildMediaVersionDocInput {
    readonly hostDocId: string;
    readonly promptKey: string;
    readonly seq: number;
    readonly authorHandle: string;
    readonly files: Record<string, FileMeta>;
    readonly prompt?: string;
    readonly model?: string;
    readonly sourceKey?: string;
}
export declare function buildMediaVersionDoc(input: BuildMediaVersionDocInput): MediaVersionDoc;
export interface BuildMediaPointerDocInput {
    readonly hostDocId: string;
    readonly promptKey: string;
    readonly authorHandle: string;
    readonly currentSeq: number;
}
export declare function buildMediaPointerDoc(input: BuildMediaPointerDocInput): MediaPointerDoc;