Namespace Org.Apache.Pdfbox.Pdmodel.Common.Filespecification Classes PDComplexFileSpecification https://www.javadoc.io/doc/org.apache.pdfbox/pdfbox/3.0.4/org/apache/pdfbox/pdmodel/common/filespecification/PDComplexFileSpecification.html PDEmbeddedFile https://www.javadoc.io/doc/org.apache.pdfbox/pdfbox/3.0.4/org/apache/pdfbox/pdmodel/common/filespecification/PDEmbeddedFile.html PDFileSpecification https://www.javadoc.io/doc/org.apache.pdfbox/pdfbox/3.0.4/org/apache/pdfbox/pdmodel/common/filespecification/PDFileSpecification.html PDSimpleFileSpecification https://www.javadoc.io/doc/org.apache.pdfbox/pdfbox/3.0.4/org/apache/pdfbox/pdmodel/common/filespecification/PDSimpleFileSpecification.html