import { Attachment, DisplayMessage, AgentStatus, Metrics, Settings } from '../types/index.js';
import { DynamicContext } from '../lib/system-prompt.js';
import './useUserActivity.js';

interface UseAgentReturn {
    send: (input: string, opts?: {
        attachments?: Attachment[];
    }) => Promise<{
        text: string;
    }>;
    cancel: () => void;
    clear: () => void;
    regenerate: (assistantMsgIdx?: number) => Promise<void>;
    exportMd: () => void;
    messages: DisplayMessage[];
    streamText: string;
    status: AgentStatus;
    metrics: Metrics | null;
    liveStreamCount: number;
    customToolNames: string[];
}
declare function useAgent(settings: Settings, dynamicCtx?: DynamicContext, storageKey?: string | null): UseAgentReturn;

export { type UseAgentReturn, useAgent };