export interface AttachmentHeader {
    children: string;
}
export interface AttachmentJws {
    header: AttachmentHeader;
    protectedStr: string;
    signature: string;
}
export interface AttachmentJwsData {
    base64: string;
    jws: AttachmentJws;
}
export interface AttachmentBase64 {
    base64: string;
}
export interface AttachmentLinkData {
    links: string[];
    hash: string;
}
export type AttachmentJsonData = {
    json: any;
};
export type AttachmentData = AttachmentJsonData | AttachmentLinkData | AttachmentBase64 | AttachmentJwsData | AttachmentJws | AttachmentHeader;
export declare class AttachmentDescriptor {
    readonly data: AttachmentData;
    readonly mediaType?: string | undefined;
    readonly id: string;
    readonly filename?: Array<string> | undefined;
    readonly format?: string | undefined;
    readonly lastModTime?: string | undefined;
    readonly byteCount?: number | undefined;
    readonly description?: string | undefined;
    constructor(data: AttachmentData, mediaType?: string | undefined, id?: string, filename?: Array<string> | undefined, format?: string | undefined, lastModTime?: string | undefined, byteCount?: number | undefined, description?: string | undefined);
    get payload(): any;
    static build<T>(payload: T, id?: string, mediaType?: string, filename?: Array<string>, format?: string, lastModTime?: string, byteCount?: number, description?: string): AttachmentDescriptor;
}