libaprutil1-ldap 1.6.3-1ubuntu1 (amd64 binary) in ubuntu lunar

 APR is Apache's Portable Runtime Library, designed to be a support library
 that provides a predictable and consistent interface to underlying
 platform-specific implementations.
 .
 APR Util is a utilities library implemented on top of apr, providing database
 access, xml parsing, and other useful functionality.
 .
 This package contains the LDAP driver.