@buka/class-transformer-extra/dist/esm/src/date/format-date.d.ts

class-transformer-extra contains methods that's aren't included in the class-transform package.

import { TransformOptions } from 'class-transformer';
export interface FormatDateTransformOptions extends TransformOptions {
    optional?: boolean;
}
export declare function FormatDate(template: any, options?: FormatDateTransformOptions): PropertyDecorator;