Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms.... addEntity ( new Light ( "light" )); /* The hierarchy of...a2 - b - c - c1 - cam - c2 - light */ //select objects that has...