import type { ServerResponse } from 'node:http';
import type { ConsoleEventEnvelope, ConsoleEventHistoryPage, ConsoleEventHistoryQuery, ConsoleEventPayloadMap, KnownConsoleEventType } from '@zhin.js/console-protocol';
/**
 * Console 实时事件枢纽（Plugin Runtime Host 的 `/api/events` SSE 事件源）。
 * 单进程内 fan-out：`publish` 向所有已订阅的 SSE response 写帧；
 * write 失败或连接断开自动摘除订阅。
 */
export interface ConsoleEventSubscriptionOptions {
    readonly runtimeId?: string;
    readonly after?: number;
}
export interface ConsoleEventHub {
    publish<Type extends string>(type: Type, data: Type extends KnownConsoleEventType ? ConsoleEventPayloadMap[Type] : unknown): ConsoleEventEnvelope<Type, Type extends KnownConsoleEventType ? ConsoleEventPayloadMap[Type] : unknown>;
    history(query?: ConsoleEventHistoryQuery): ConsoleEventHistoryPage;
    /** In-process delivery for trusted Host bridges such as Device Protocol. */
    listen(listener: (event: ConsoleEventEnvelope) => void): () => void;
    /** Atomically replay the resumable suffix, then join live fan-out. */
    subscribe(response: ServerResponse, options?: ConsoleEventSubscriptionOptions): () => void;
    readonly runtimeId: string;
    readonly subscriberCount: number;
}
/** Shared Console event authority installed by the Plugin Runtime composition root. */
export declare const consoleEventHubToken: import("@zhin.js/plugin-runtime").Token<ConsoleEventHub>;
export interface ConsoleEventHubOptions {
    readonly runtimeId?: string;
    readonly historyLimit?: number;
    readonly historyByteLimit?: number;
    readonly historyPageByteLimit?: number;
}
export declare function createConsoleEventHub(options?: ConsoleEventHubOptions): ConsoleEventHub;
export declare function serializeConsoleEvent(event: ConsoleEventEnvelope): string;