libldb1 2:1.1.21-1 (amd64 binary) in ubuntu xenial

 ldb is a LDAP-like embedded database built on top of TDB.
 .
 It provides a fast database with an LDAP-like API designed
 to be used within an application. In some ways it can be seen as a
 intermediate solution between key-value pair databases and a real LDAP
 database.
 .
 This package contains the shared library file.