/**
 * Webhook Type Definition
 * Webhook event definition of the LINE Messaging API
 *
 * The version of the OpenAPI document: 1.0.0
 *
 *
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */
import { ContentProvider } from "./contentProvider";
import { MessageContentBase } from "./models";
export type AudioMessageContent = MessageContentBase & {
    type: "audio";
    /**
     */
    contentProvider: ContentProvider;
    /**
     * Length of audio file (milliseconds)
     */
    duration?: number;
};