libldb-dev - 2:2.6.2+samba4.17.12+dfsg-0+deb12u1 main

ldb is a LDAP-like embedded database built on top of TDB.
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What ldb does is provide 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.
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This package contains the development files.