import { AgentEvent } from '../../types/runtime/event';
import type { AgentEventData, AgentEventHandler } from '../../types/runtime/event';
export interface AgentAbortScope {
    readonly signal: AbortSignal;
    readonly isAborted: boolean;
    abort(): void;
    dispose(): void;
}
export declare class AgentEventBus {
    private handlers;
    private controller;
    private externalCleanup?;
    private abortScopes;
    on(event: AgentEvent, handler: AgentEventHandler): void;
    off(event: AgentEvent, handler: AgentEventHandler): void;
    emit(data: AgentEventData): void;
    abort(): void;
    createAbortScope(externalSignal?: AbortSignal): AgentAbortScope;
    resetAbort(externalSignal?: AbortSignal): void;
    get signal(): AbortSignal;
    get isAborted(): boolean;
    dispose(): void;
}
export { AgentEvent };