/**
 * User message payload. At least one of `text` or `mediaUrls` must be non-empty.
 * Send only `text` to simulate an inbound SMS; include `mediaUrls` to simulate an inbound MMS.
 */
export interface SimulateMessageInput {
    /** Text message sent by the user. */
    text?: string;
    /** URLs of media files sent by the user. */
    mediaUrls?: string[];
}