libcups2-dev 2.3.1-4 (i386 binary) in ubuntu focal

 The Common UNIX Printing System (or CUPS(tm)) is a printing system and
 general replacement for lpd and the like. It supports the Internet
 Printing Protocol (IPP), and has its own filtering driver model for
 handling various document types.
 .
 This package provides the files necessary for developing CUPS-aware
 applications and CUPS drivers, as well as examples how to communicate
 with cups from different programming languages (Perl, Java, and
 PHP).