import { Claims } from "../Dto";
/**
 * Enum-like type defining the actions that can be broadcasted.
 *
 * @ignore
 * @category SDK
 * @subcategory Internal
 */
type Action = "sessionExpired" | "sessionCreated" | "requestLeadership";
/**
 * Interface representing the data structure of a channel event.
 *
 * @interface
 * @property {Action} action - The type of action being broadcasted.
 * @property {Claims=} claims - Optional claims associated with the event.
 * @property {boolean=} is_valid - Optional indication of the session validity.
 * @category SDK
 * @subcategory Internal
 */
export interface BroadcastMessage {
    action: Action;
    claims?: Claims;
    is_valid?: boolean;
}
/**
 * Callback type for handling broadcast messages.
 *
 * @ignore
 */
type Callback = (msg: BroadcastMessage) => void;
/**
 * Manages inter-tab communication using the BroadcastChannel API.
 *
 * @category SDK
 * @subcategory Internal
 * @param {string} channelName - The name of the broadcast channel.
 * @param {Callback} onSessionExpired - Callback invoked when the session has expired.
 * @param {Callback} onSessionCreated - Callback invoked when a session is created.
 * @param {Callback} onLeadershipRequested - Callback invoked when a leadership request is received.
 */
export declare class SessionChannel {
    channel: BroadcastChannel;
    onSessionExpired: Callback;
    onSessionCreated: Callback;
    onLeadershipRequested: Callback;
    constructor(channelName: string, onSessionExpired: Callback, onSessionCreated: Callback, onLeadershipRequested: Callback);
    /**
     * Sends a message via the broadcast channel to inform other tabs of session changes.
     *
     * @param {BroadcastMessage} msg - The messsage to broadcast.
     */
    post(msg: BroadcastMessage): void;
    /**
     * Handles incoming messages from the broadcast channel.
     *
     * @param {MessageEvent} event - The message event containing the broadcast data.
     * @private
     */
    private handleMessage;
}
export {};