import type { ControlEventDispatcher } from "./control-event-dispatcher.js";
import type { BrokerLogger } from "./logger.js";
export declare const DEFAULT_BACKOFF_INITIAL_MS = 1000;
export declare const DEFAULT_BACKOFF_MAX_MS = 30000;
export interface ServicesEventClientOptions {
    apiHost: string;
    runtimeKey: string;
    agentId: string;
    dispatcher: ControlEventDispatcher;
    logger: BrokerLogger;
    fetchImpl?: typeof globalThis.fetch;
    backoffInitialMs?: number;
    backoffMaxMs?: number;
}
export interface ServicesEventClient {
    start(): Promise<void>;
    stop(): Promise<void>;
    lastSeenKey(): string | undefined;
}
export declare function createServicesEventClient(opts: ServicesEventClientOptions): ServicesEventClient;
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