import { Conversation, Message, StepBuilder } from './interfaces';
import { AIEngine, EngineConfig } from './interfaces/engine';
/**
 * Creates an AI Engine with the given configuration.
 *
 * The AI Engine provides utilities for creating and running conversational workflows
 * with large language models, specifically OpenAI GPT models.
 *
 * @returns An AIEngine instance.
 *
 * @example
 * ```ts
 * const engine = createAIEngine({
 *   logger: customLogger,
 * });
 *
 * const workflow = await engine.createWorkflow(
 *   engine.createStep({
 *     name: 'generate-response',
 *     prompt: engine.loadFile('prompts/response.txt'),
 *     execute: (response) => conversation.setProposedReply(response)
 *   })
 * );
 *
 * const reply = await workflow.run(conversation);
 * ```
 */
export declare function createAIEngine<CTX extends object>(cfg?: EngineConfig): AIEngine<CTX>;
export declare function createConversation(initialMessages?: Message[]): Conversation;
export declare function getStepBuilder<CTX = unknown>(): StepBuilder<CTX>;
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