Which namespace a structure namespace is, by its namespace name.
public enum PdfStructureNamespaceKind
ISO 32000-2 §14.8.6: the two standard structure namespaces and MathML 3.0, the one other namespace §14.8.6.3 identifies.
kind:method, kind:property, kind:ctor. Press Esc to clear.CustomAny other namespace: its types are custom and reach a standard type only through its RoleMapNS.MathMLMathML 3.0, http://www.w3.org/1998/Math/MathML (§14.8.6.3).Pdf17The standard structure namespace for PDF 1.7, http://iso.org/pdf/ssn: the default namespace (§14.8.6.1).Pdf20The standard structure namespace for PDF 2.0, http://iso.org/pdf2/ssn (§14.8.6.1).