/**
 * Interface representing the message status response.
 */
export interface MessageStatusResponse {
    /** The campaign ID. */
    campaign_id: number;
    /** Custom ID of the campaign. */
    campaign_custom_id?: string;
    /** Message ID assigned by the API. */
    message_id: number;
    /** Custom ID of the message. */
    message_custom_id?: string;
    /** Destination phone number. */
    dest: string;
    /** Size of the message. */
    size: number;
    /** International multiplier. */
    international_multiplier: number;
    /** Number of credits used. */
    credits: number;
    /** Status of the message (e.g., "DELIVERED", "FAILED"). */
    status: string;
    /** GSM error code, if any. */
    gsm_error?: string;
    /** Sent timestamp. */
    sent_at?: string;
    /** Done timestamp. */
    done_at?: string;
}