/**
 * Sent by the MatsSocket, via the {@link MatsSocket#setAuthorizationExpiredCallback}, when it requires new or
 * revalidated authentication by the client.
 *
 * @param {AuthorizationRequiredEvent} type - {@link AuthorizationRequiredEvent#type}
 * @param {number} currentExpirationTimestamp - {@link AuthorizationRequiredEvent#currentExpirationTimestamp}
 * @class
 */
export function AuthorizationRequiredEvent(type: AuthorizationRequiredEvent, currentExpirationTimestamp: number): void;
export class AuthorizationRequiredEvent {
    /**
     * Sent by the MatsSocket, via the {@link MatsSocket#setAuthorizationExpiredCallback}, when it requires new or
     * revalidated authentication by the client.
     *
     * @param {AuthorizationRequiredEvent} type - {@link AuthorizationRequiredEvent#type}
     * @param {number} currentExpirationTimestamp - {@link AuthorizationRequiredEvent#currentExpirationTimestamp}
     * @class
     */
    constructor(type: AuthorizationRequiredEvent, currentExpirationTimestamp: number);
    /**
     * Type of the event, one of {@link AuthorizationRequiredEvent}.
     *
     * @type {AuthorizationRequiredEvent}
     */
    type: AuthorizationRequiredEvent;
    /**
     * Millis-from-epoch when the current Authorization expires - note that this might well still be in the future,
     * but the "slack" left before expiration is used up.
     *
     * @type {number}
     */
    currentExpirationTimestamp: number;
}
/**
 * *
 */
export type AuthorizationRequiredEventType = string;
export namespace AuthorizationRequiredEventType {
    let NOT_PRESENT: string;
    let EXPIRED: string;
    let REAUTHENTICATE: string;
}
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