import type { ServiceSubscriptionSnapshot } from "@earendil-works/chord";
import type { RpcTarget, SessionTarget } from "@earendil-works/pi-protocol";
import type { ByteTransportFactory } from "./transport.ts";
export type ConnectionState = "disconnected" | "connecting" | "connected";
export interface ConnectionStateChange {
    state: ConnectionState;
    error?: Error;
}
export type Unsubscribe = () => void;
export type ListenerErrorHandler = (error: Error) => void;
export type AttachmentChangeListener = (attachment: SessionTarget | undefined) => void;
export interface ServiceSubscription {
    readonly id: string;
    readonly target: RpcTarget;
    readonly snapshot: ServiceSubscriptionSnapshot;
    /** Begin ordered update delivery after the caller has installed the snapshot. */
    start(): void;
    dispose(): Promise<void>;
}
export interface ClientOptions {
    transportFactory: ByteTransportFactory;
    /** Logical server identity expected at the physical endpoint. */
    serverId: string;
    maxFrameLength?: number;
    /** Reports subscriber failures without allowing them to corrupt client state. */
    onListenerError?: ListenerErrorHandler;
}
//# sourceMappingURL=types.d.ts.map