/**
 * OpenAI-compatible completion engine.
 *
 * Moved from packages/adapters/cli/src/commands/launch-completion-engine.ts
 * so that the engine lives alongside the transport-adapter runtime.
 */
import type { CompletionEngine } from '../types.js';
export declare function createOpenAICompletionEngine(options: {
    apiBase: string;
    apiKey: string;
    targetModel: string;
}): CompletionEngine;