import { Root } from "protobufjs";
export type AsteraiAgentArgs = {
    queryKey: string;
    appId: string;
    appProtos?: string[];
    apiBaseUrl?: string;
};
export type QueryArgs = {
    query: string;
    conversationId?: string;
};
export declare class AsteraiAgent {
    /** The agent application ID. */
    readonly appId: string;
    private readonly queryKey;
    private readonly apiBaseUrl;
    private protos;
    constructor(args: AsteraiAgentArgs);
    /**
     * Create a new instance of this agent with a different query key.
     *
     * Read more about query keys here:
     * https://docs.asterai.io/querying_an_app.html#query-keys
     */
    withQueryKey(queryKey: string): AsteraiAgent;
    query(args: QueryArgs): Promise<QueryResponse>;
    /**
     * Fetches the agent's summary markdown file, containing
     * a natural language description of the functions and
     * plugins available in the agent.
     *
     * This is useful context for agent-to-agent communication.
     */
    fetchSummary(): Promise<string>;
}
export type TokenCallback = (token: string) => void;
export type PluginOutputCallback = (output: PluginOutput) => void;
export type PluginOutput = {
    name: string;
    value: any;
};
export type EndCallback = (state: EndState) => void;
export type EndState = {
    reason: EndReason;
};
export type EndReason = "finished" | "aborted";
/**
 * The response object for an agent's query.
 */
export declare class QueryResponse {
    private response;
    private abortController;
    private protos;
    private isActive;
    private onTokenCallbacks;
    private onPluginOutputCallbacks;
    private onEndCallbacks;
    constructor(response: Response, abortController: AbortController, protos: Root[]);
    private setupResponse;
    onToken(callback: TokenCallback): void;
    onPluginOutput(callback: PluginOutputCallback): void;
    onEnd(callback: EndCallback): void;
    text(): Promise<string>;
    private callOnToken;
    private callPluginOutput;
    private callOnEnd;
    abort(): void;
    private decodePluginOutput;
}