import type { AIMessage, AIMessageContent } from '../types';
/**
 * Normalize an entire `messages` array for the requested provider.
 * Messages whose `content` is a plain string pass through unchanged.
 * Messages with a content array get each block translated.
 */
export declare function normalizeMessagesForProvider(messages: AIMessage[], provider: 'openai' | 'anthropic'): AIMessage[];
/**
 * Convenience: convert a single command + optional image inputs into
 * an `AIMessage` content array suitable for `chat()` calls. Used by
 * the higher-level `text()` / `chat()` helpers when a user passes
 * `{ command, images }` together.
 *
 * @example
 * ```ts
 * const content = buildMessageWithImages('What is in this image?', [
 *   { url: 'https://example.com/cat.jpg' },
 * ])
 * await chat([{ role: 'user', content }])
 * ```
 */
export declare function buildMessageWithImages(command: string, images: Array<{ url?: string, dataBase64?: string, mediaType?: string, detail?: 'auto' | 'low' | 'high' }>): AIMessageContent[];