/**
 * The settings of the chat SDK.
 *
 * You can set parameters and options of the SDK.
 *
 * For example, whether to encrypt the messages before sending, whether to automatically accept the friend invitations.
 */
export declare class ChatOptions {
    /**
     * The app key you got from the console when create an app.
     */
    appKey: string;
    /**
     * Enables/Disables automatic login.
     *
     * `true`: (default) Enables automatic login;
     * `false`: Disables automatic login.
     */
    autoLogin: boolean;
    /**
     * Debug mode or not.
     */
    debugModel: boolean;
    /**
     * Whether to accept friend invitations from other users automatically.
     *
     * `true`: (default) Accepts friend invitations automatically;
     * `false`: Do not accept friend invitations automatically.
     */
    acceptInvitationAlways: boolean;
    /**
     * Whether to accept group invitations automatically.
     *
     * `true`: (default) Accepts group invitations automatically;
     * `false`: Do not accept group invitations automatically.
     */
    autoAcceptGroupInvitation: boolean;
    /**
     * Whether the read receipt is required.
     *
     * `true`: (default) The read receipt is required;
     * `false`: The read receipt is not required.
     */
    requireAck: boolean;
    /**
     * Whether the delivery receipt is required.
     *
     * `true`: (default) The read receipt is required;
     * `false`: The read receipt is not required.
     */
    requireDeliveryAck: boolean;
    /**
     * Whether to delete the group message when leaving a group.
     *
     * `true`: (default) Delete the messages when leaving the group.
     * `false`: Do not delete the messages when leaving a group.
     */
    deleteMessagesAsExitGroup: boolean;
    /**
     * Whether to delete the chat room message when leaving the chat room.
     *
     * `true`: (default) Delete the chat room related message record when leaving the chat room.
     * `false`: Do not delete the chat room related message record when leaving the chat room.
     */
    deleteMessagesAsExitChatRoom: boolean;
    /**
     * Whether to allow the chat room owner to leave the chat room.
     *
     * `true`: (default) Allow the chat room owner to leave the chat room.
     * `false`: Do not allow the chat room owner to leave the chat room.
     */
    isChatRoomOwnerLeaveAllowed: boolean;
    /**
     * Whether to sort messages by the server received time.
     *
     * `true`: (default) Sort messages by the server received time;
     * `false`: Do not sort messages by the server received time.
     */
    sortMessageByServerTime: boolean;
    /**
     * Sets whether only HTTPS is used for REST operations.
     *
     * `true`: (default) Only HTTPS is used.
     * `false`: Allow to use both HTTP and HTTPS.
     */
    usingHttpsOnly: boolean;
    /**
     * Whether to upload the message attachments automatically to the chat server.
     *
     * `true`: (default) Use the default way to upload and download the message attachments by chat server;
     * `false`: Do not use the default way to upload and download the message attachments by chat server, using a customized path instead.
     */
    serverTransfer: boolean;
    /**
     * Whether to auto download the thumbnail.
     *
     * `true`: (default) Download the thumbnail automatically;
     * `false`: Do not download the thumbnail automatically.
     */
    isAutoDownload: boolean;
    /**
     * Sets whether to disable DNS.
     *
     * `true`: (default) Enable DNS;
     * `false`: Do not enable DNS.
     */
    enableDNSConfig: boolean;
    /**
     * The DNS url.
     */
    dnsUrl: string;
    /**
     * The custom REST server.
     */
    restServer: string;
    /**
     * The custom im message server url.
     */
    imServer: string;
    /**
     * The custom im server port.
     */
    imPort: number;
    constructor(params: {
        appKey: string;
        autoLogin?: boolean;
        debugModel?: boolean;
        acceptInvitationAlways?: boolean;
        autoAcceptGroupInvitation?: boolean;
        requireAck?: boolean;
        requireDeliveryAck?: boolean;
        deleteMessagesAsExitGroup?: boolean;
        deleteMessagesAsExitChatRoom?: boolean;
        isChatRoomOwnerLeaveAllowed?: boolean;
        sortMessageByServerTime?: boolean;
        usingHttpsOnly?: boolean;
        serverTransfer?: boolean;
        isAutoDownload?: boolean;
        enableDNSConfig?: boolean;
        dnsUrl?: string;
        restServer?: string;
        imServer?: string;
        imPort?: number;
    });
}