export declare class PredefinedMessagePlaceholderModel {
    _id?: any;
    uuid: string;
    predefined_message_uuid: string;
    predefined_message_line_uuid: string;
    create_date: Date;
    update_date: Date;
    created_by: string;
    updated_by: string;
    status: string;
    revision: string;
    vrsn?: string;
    placeholder_name?: string;
    placeholder_code?: string;
    placeholder_type?: string;
    placeholder_source?: string;
    placeholder_data_type?: string;
    default_value?: string;
    value_string?: string;
    value_file?: string;
    value_numeric?: number;
    value_datetime?: Date;
    value_json?: object;
    index?: number;
}
export declare class PredefinedMessagePlaceholderModelSerializer {
    static fromJson(json: any): PredefinedMessagePlaceholderModel;
}