OurApp 

Infrastructure helpers and low-level PDF stream utilities for PdfEngine.

Core document, element, font, and shared model types for PdfEngine.

PDF parsing, text extraction, image extraction, table extraction, and signature inspection for PdfEngine.

PDF generation, layout, rendering, archival, and signing support for PdfEngine.

Command-line interface for the PdfEngine library (PDF parsing, conversion, Factur-X).