export declare class ChatUpdateDTO {
    'userNickname'?: string;
    'userProfile'?: string;
    'characterNickname'?: string;
    'about'?: string;
    'characterUid': string;
    'backendId'?: string;
    'apiKeyName'?: string;
    'apiKeyValue'?: string;
    'ext'?: string;
    'gmtRead'?: Date;
    static readonly discriminator: string | undefined;
    static readonly mapping: {
        [index: string]: string;
    } | undefined;
    static readonly attributeTypeMap: Array<{
        name: string;
        baseName: string;
        type: string;
        format: string;
    }>;
    static getAttributeTypeMap(): {
        name: string;
        baseName: string;
        type: string;
        format: string;
    }[];
    constructor();
}