/**
 * pi Context ↔ AI SDK ModelMessage bridge (ADR 0018).
 */
import { type ModelMessage, type ToolSet } from 'ai';
import type { Context } from '../types/context.js';
import type { AgentMessage } from '../types/agent-message.js';
import type { LlmTool } from '../types/tool.js';
export declare function agentMessagesToAiSdk(messages: AgentMessage[]): ModelMessage[];
export declare function contextToAiSdkPrompt(context: Context): {
    system?: string;
    messages: ModelMessage[];
};
export declare function llmToolsToAiSdk(tools: LlmTool[] | undefined): ToolSet | undefined;
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