import { IAttachment, IUser } from '../../interfaces';
import { Ref } from '../../interfaces/common';
import { IUserSerializedSecurely } from './user-serializer';
export type IAttachmentSerializedSecurely<A extends IAttachment> = Omit<A, 'creator'> & {
    creator?: Ref<IUserSerializedSecurely<IUser>>;
};
export declare function serializeAttachmentSecurely<A extends IAttachment>(attachment?: A): IAttachmentSerializedSecurely<A>;
export declare function serializeAttachmentSecurely<A extends IAttachment>(attachment?: Ref<A>): Ref<IAttachmentSerializedSecurely<A>>;