export declare const PDFDocumentAttribute: {
    readonly PDFDocumentTitleAttribute: "Title";
    readonly PDFDocumentAuthorAttribute: "Author";
    readonly PDFDocumentSubjectAttribute: "Subject";
    readonly PDFDocumentCreatorAttribute: "Creator";
    readonly PDFDocumentProducerAttribute: "Producer";
    readonly PDFDocumentCreationDateAttribute: "CreationDate";
    readonly PDFDocumentModificationDateAttribute: "ModDate";
    readonly PDFDocumentKeywordsAttribute: "Keywords";
};
export type PDFDocumentAttribute = typeof PDFDocumentAttribute[keyof typeof PDFDocumentAttribute];
