/**
 * Types of events that can trigger webhook notifications.
 * Subscribe to specific events to receive real-time updates about your sender activity.
 * Use `null` to listen to all events.
 */
export declare const WebhookEventEnum: {
    readonly MessageStatus: "MESSAGE.STATUS";
    readonly MessageReceived: "MESSAGE.RECEIVED";
    readonly UserTyping: "USER.TYPING";
    readonly FormSubmission: "FORM.SUBMISSION";
    readonly CampaignStatus: "CAMPAIGN.STATUS";
};
export type WebhookEventEnum = (typeof WebhookEventEnum)[keyof typeof WebhookEventEnum];