import type { OpenGeniClient } from "@opengeni/sdk";
import type { RetainedArtifactLoader, RetainedScreenshotLoader, VideoArtifactPlaybackLoader } from "./registry.js";
/** SDK methods the workspace retained-artifact loader needs. */
export type RetainedArtifactLoaderClient = Pick<OpenGeniClient, "createRetainedArtifactDownloadUrl" | "downloadRetainedArtifact">;
/** SDK method the session retained-screenshot loader needs. */
export type RetainedScreenshotLoaderClient = Pick<OpenGeniClient, "downloadRetainedScreenshot">;
/** SDK method the generated-video playback loader needs. */
export type RetainedVideoLoaderClient = Pick<OpenGeniClient, "createVideoArtifactPlaybackSource">;
/**
 * Bind permanent retained-artifact retrieval (generated images, published
 * files) to one authenticated workspace, for `MessageTimeline`'s
 * `loadRetainedArtifact`. Images get a short-lived URL; files are assembled
 * from verified byte ranges unless the caller asks for a URL.
 */
export declare function createWorkspaceRetainedArtifactLoader(client: RetainedArtifactLoaderClient, workspaceId: string): RetainedArtifactLoader;
/**
 * Bind the authenticated screenshot downloader to one workspace and session,
 * for `MessageTimeline`'s `loadRetainedScreenshot`. Fetched metadata must match
 * the timeline receipt before bytes are handed to React; errors deliberately
 * contain no storage locator or content.
 */
export declare function createSessionRetainedScreenshotLoader(client: RetainedScreenshotLoaderClient, workspaceId: string, sessionId: string): RetainedScreenshotLoader;
/**
 * Bind expiring generated-video playback sources to one authenticated
 * workspace, for `MessageTimeline`'s `loadVideoArtifactPlayback`.
 */
export declare function createWorkspaceRetainedVideoLoader(client: RetainedVideoLoaderClient, workspaceId: string): VideoArtifactPlaybackLoader;