import type { ImageContent } from "../../input-editor.js";
export declare function stringifyUnknown(value: unknown): string;
export declare function formatStructuredText(value: unknown): string;
export declare function renderContent(content: readonly unknown[]): string;
export declare function renderUserMessageContent(content: unknown): string;
export declare function extractImageContents(content: unknown): ImageContent[];
export declare function isImageContent(item: unknown): item is ImageContent;
export declare function submittedUserDisplayText(displayText: string, promptText: string, images: readonly ImageContent[]): string;