import { PersonaMessage } from './types';
import { ThreadMessageLike } from '@assistant-ui/react';
export declare function generateMessageId(): string;
export declare function ensureMessageId(message: PersonaMessage): PersonaMessage;
declare function removeEmptyMessages(messages: PersonaMessage[]): PersonaMessage[];
declare function parseMessages(messages: PersonaMessage[]): PersonaMessage[];
declare function convertMessage(message: PersonaMessage): ThreadMessageLike;
/**
 * Builds a converter that folds every run of consecutive agent messages
 * (reasoning, tool calls, text) into a single assistant message per turn, the
 * shape assistant-ui expects: grouping, action bars and "N tool calls" all work
 * per message. User messages and runtime notices stay on their own.
 *
 * The converter is stateful on purpose: conversions are cached per source
 * message and per turn, so while streaming only the last turn is rebuilt and
 * finished turns keep their identity (no re-render, no tool UI remount).
 */
declare function createTurnGrouper(): (messages: readonly PersonaMessage[]) => ThreadMessageLike[];
export { parseMessages, convertMessage, removeEmptyMessages, createTurnGrouper };
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