import type { ChatCompletionMessageParam } from 'openai/resources/index.mjs';
import type { AgentLLMIntegrationParam } from '../types';
/**
 * Internal Adapter: Maps Arvo's generic Agent Message format to OpenAI's specific API format.
 *
 * Handles:
 * - System Prompt injection.
 * - Mapping Tool Results to their originating Tool Call IDs.
 * - Multimodal Content (converting Arvo media objects to OpenAI Image/File URLs).
 * - Reconstructs the specific message ordering OpenAI expects (User -> Assistant(ToolCall) -> Tool(Result)).
 */
export declare const formatMessagesForOpenAI: (messages: AgentLLMIntegrationParam["messages"], systemPrompt: string | null) => ChatCompletionMessageParam[];
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