apache2-dev 2.4.41-4ubuntu3 (arm64 binary) in ubuntu focal

 The Apache HTTP Server Project's goal is to build a secure, efficient and
 extensible HTTP server as standards-compliant open source software. The
 result has long been the number one web server on the Internet.
 .
 This package provides development headers and the apxs2 binary for the Apache
 2 HTTP server, useful to develop and link third party additions to the Debian
 Apache HTTP server package.
 .
 It also provides dh_apache2 and dh sequence addons useful to install various
 Debian Apache2 extensions with debhelper. It supports
  - Apache 2 module configurations and shared objects
  - Site configuration files
  - Global configuration files