https://help.eclipse.org/latest/topic/org.eclipse.platform.doc.isv/reference/api/org/eclipse/swt/printing/PDFDocument.html
PDFDocument (Eclipse Platform API Specification)
declaration: package: org.eclipse.swt.printing, class: PDFDocument
platform apieclipsespecification
https://android-dot-devsite-v2-prod.appspot.com/reference/android/graphics/pdf/PdfDocument
PdfDocument | API reference | Android Developers
api referenceandroiddevelopers