Binary package “libcups2” in ubuntu bionic

Common UNIX Printing System(tm) - Core library

 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 base shared libraries for CUPS.