import { PDFName, PDFNumber } from '../core';
export declare const asPDFName: (name: string | PDFName) => PDFName;
export declare const asPDFNumber: (num: number | PDFNumber) => PDFNumber;
export declare const asNumber: (num: number | PDFNumber) => number;
export declare enum PDFClasses {
    PDFDict = "PDFDict",
    PDFObject = "PDFObject",
    PDFNumber = "PDFNumber",
    PDFName = "PDFName",
    PDFStream = "PDFStream",
    PDFWriter = "PDFWriter",
    PDFStreamWriter = "PDFStreamWriter",
    PDFString = "PDFString",
    PDFHexString = "PDFHexString",
    PDFDocument = "PDFDocument",
    PDFPageLeaf = "PDFPageLeaf",
    StandardFontEmbedder = "StandardFontEmbedder",
    PDFArray = "PDFArray",
    PDFButton = "PDFButton",
    PDFCheckBox = "PDFCheckBox",
    PDFDropdown = "PDFDropdown",
    PDFOptionList = "PDFOptionList",
    PDFRadioGroup = "PDFRadioGroup",
    PDFSignature = "PDFSignature",
    PDFTextField = "PDFTextField",
    PDFField = "PDFField",
    PDFRef = "PDFRef",
    PDFAcroForm = "PDFAcroForm",
    PDFAcroField = "PDFAcroField",
    PDFAcroNonTerminal = "PDFAcroNonTerminal",
    PDFAcroPushButton = "PDFAcroPushButton",
    PDFAcroCheckBox = "PDFAcroCheckBox",
    PDFAcroComboBox = "PDFAcroComboBox",
    PDFAcroListBox = "PDFAcroListBox",
    PDFAcroText = "PDFAcroText",
    PDFAcroRadioButton = "PDFAcroRadioButton",
    PDFAcroSignature = "PDFAcroSignature",
    AESBaseCipher = "AESBaseCipher",
    PDFBool = "PDFBool",
    PDFRawStream = "PDFRawStream",
    PDFContentStream = "PDFContentStream",
    Segment = "Segment",
    Rectangle = "Rectangle",
    Arc = "Arc",
    Circle = "Circle",
    Ellipse = "Ellipse",
    Line = "Line",
    Plot = "Plot",
    Point = "Point",
    PDFPageTree = "PDFPageTree",
    PDFInvalidObject = "PDFInvalidObject",
    PDFCatalog = "PDFCatalog",
    DefaultDocumentSnapshot = "DefaultDocumentSnapshot",
    PDFObjectStream = "PDFObjectStream",
    IncrementalDocumentSnapshot = "IncrementalDocumentSnapshot",
    PDFNull = "PDFNull"
}
/**
 * Replaces instanceof operator by a "secure function" that uses clases internal identification.
 * This allows complex environments, where objects comes from different library instances, to work as expected.
 * @param {any} object Object to which compare the classname.
 * @param {PDFClasses | typeof PDFClass} className Class name object is expected to be an instanca (or subclass instance)
 * @returns {boolean}
 */
export declare const isPDFInstance: (object: any, className: PDFClasses) => boolean;
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