import { Message } from "../chat/Message.js";
/**
 * Maps system and developer roles based on provider capabilities.
 * If supportsDeveloperRole is true, both "system" and "developer" messages are mapped to "developer".
 * If supportsDeveloperRole is false, both "system" and "developer" messages are mapped to "system".
 */
export declare function mapSystemMessages(messages: Message[], supportsDeveloperRole: boolean): Message[];
/**
 * Normalizes tool choice for OpenAI-compatible providers.
 */
export declare function normalizeOpenAIToolChoice(choice: any): any;
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