/**
 * The type of the xref, which defines how nested xrefs are handled. Possible values are:  -  ``attachment``: Nested xrefs are not ignored. -  ``overlay`` : Nested xrefs are ignored.
 * @export
 * @enum {string}
 */
export declare const NestedXref: {
    readonly Attachment: "attachment";
    readonly Overlay: "overlay";
};
export type NestedXref = typeof NestedXref[keyof typeof NestedXref];