export declare class MarketingEventEmailSubscriber { 'contactProperties'?: { [key: string]: string; }; 'properties'?: { [key: string]: string; }; 'email': string; 'interactionDateTime': number; 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(); }