import type { SessionProtocolClientToolMessage, SessionProtocolDeltaMessage, SessionProtocolEphemeralMessage, SessionProtocolInitializeParams, SessionProtocolMethod, SessionProtocolParamsByMethod, SessionProtocolPendingUserMessagesMessage, SessionProtocolReadyMessage, SessionProtocolResultByMethod, SessionProtocolSubagentActivitiesMessage } from "../protocol/session_protocol.js";
export type SessionProtocolDeltaListener = (delta: SessionProtocolDeltaMessage) => void;
export type SessionProtocolEphemeralListener = (message: SessionProtocolEphemeralMessage) => void;
export type SessionProtocolPendingUserMessagesListener = (message: SessionProtocolPendingUserMessagesMessage) => void;
export type SessionProtocolSubagentActivitiesListener = (message: SessionProtocolSubagentActivitiesMessage) => void;
export type SessionProtocolClientToolListener = (message: SessionProtocolClientToolMessage) => void;
export type SessionProtocolFailureListener = (error: Error) => void;
export type SessionProtocolTransport = {
    readonly ready: SessionProtocolReadyMessage;
    connect(initializeParams: SessionProtocolInitializeParams, timeoutMs: number): Promise<void>;
    request<M extends SessionProtocolMethod>(method: M, params: SessionProtocolParamsByMethod[M]): Promise<SessionProtocolResultByMethod[M]>;
    onDelta(listener: SessionProtocolDeltaListener): () => void;
    onEphemeral(listener: SessionProtocolEphemeralListener): () => void;
    onPendingUserMessages(listener: SessionProtocolPendingUserMessagesListener): () => void;
    onSubagentActivities(listener: SessionProtocolSubagentActivitiesListener): () => void;
    onClientTool(listener: SessionProtocolClientToolListener): () => void;
    onFailure(listener: SessionProtocolFailureListener): () => void;
    close(): Promise<void>;
};