class-transformer/types/interfaces/decorator-options/exclude-options.interface.d.ts

/**
 * Possible transformation options for the @Exclude decorator.
 */
export interface ExcludeOptions {
    /**
     * Expose this property only when transforming from plain to class instance.
     */
    toClassOnly?: boolean;
    /**
     * Expose this property only when transforming from class instance to plain object.
     */
    toPlainOnly?: boolean;
}