import { IncomingMessage, ServerResponse, Server } from 'http';
import type { AGUIEvent, AGUIMessage } from './types';
import type { BaseAgent } from '../../core/agent';
export declare class AGUIEventEmitter {
    private res;
    private closed;
    constructor(res: ServerResponse);
    emit(event: AGUIEvent): void;
    textStart(messageId: string): void;
    textContent(messageId: string, delta: string): void;
    textEnd(messageId: string): void;
    toolCallStart(id: string, name: string): void;
    toolCallArgs(id: string, delta: string): void;
    toolCallEnd(id: string): void;
    stateSnapshot(snapshot: Record<string, any>): void;
    stateDelta(delta: any[]): void;
    runStarted(runId: string, threadId?: string): void;
    runFinished(runId: string): void;
    runError(runId: string, message: string, code?: string): void;
    stepStarted(stepId: string, stepName?: string): void;
    stepFinished(stepId: string): void;
    messagesSnapshot(messages: AGUIMessage[]): void;
    custom(name: string, value: any): void;
    close(): void;
    get isClosed(): boolean;
}
export declare class AGUIServer {
    private agent;
    private path;
    constructor(agent: BaseAgent, config?: {
        path?: string;
    });
    mount(server: Server): void;
    handleRun(req: IncomingMessage, res: ServerResponse): Promise<void>;
    private streamResponse;
}
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