libreoffice-dev 1:6.4.0-0ubuntu4 (amd64 binary) in ubuntu focal

 LibreOffice is a full-featured office productivity suite that provides
 a near drop-in replacement for Microsoft(R) Office.
 .
 This package contains the (architecture-dependent) files needed to build
 plugins/add-ons for LibreOffice (build tools, libraries, arch-dependent
 includes, ...).
 .
 It also contains the gengal and ui-previewer utilities.