export type RetainedArtifactLoadErrorPresentation = Readonly<{
    title: string;
    description: string;
    retryable: boolean;
    supportReference: string | null;
}>;
export declare const PRIVATE_FILE_PRESENTATION: {
    readonly title: "This file is private";
    readonly description: "Only its owner can open it, usually because it came from their Only me chat. Ask them to share it with the workspace.";
};
/** The API's typed "private" answer: the file exists but is Only me for someone else. */
export declare function isPrivateFileLoadError(error: unknown): boolean;
/**
 * Route-scoped copy for retained-file loads. A missing file and any other
 * refusal stay indistinguishable; only the API's typed private answer says
 * the file exists and is Only me for someone else. Retry is only for typed
 * transient/network/server failures.
 */
export declare function retainedArtifactLoadErrorPresentation(error: unknown): RetainedArtifactLoadErrorPresentation;