import type { SessionSnapshot } from "./session-state";
import type { SharedSessionState } from "./session-shared-state";
export type CrossTabMessageType = "extend" | "expire" | "sync" | "reset" | "sync-request";
export interface CrossTabMessage {
    sourceId: string;
    type: CrossTabMessageType;
    at: number;
    payload?: {
        snapshot?: SessionSnapshot;
        sharedState?: SharedSessionState;
        reason?: unknown;
        activitySource?: string;
    };
}