/**
 * AI SDK streamText ↔ pi AssistantMessageEventStream bridge (ADR 0018).
 */
import type { LanguageModel } from 'ai';
import { type StreamFn, type StreamOptions } from '../api-registry.js';
import type { Model } from '../types/model.js';
import type { Context } from '../types/context.js';
import type { AssistantMessage } from '../types/agent-message.js';
export declare function createAiSdkStreamFn(): StreamFn;
/** Non-streaming complete via AI SDK generateText (legacy service.chat paths). */
export declare function generateTextViaAiSdk(languageModel: LanguageModel, model: Model, context: Context, options?: StreamOptions): Promise<AssistantMessage>;
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