/usr/share/dbconfig-common/data/ledgersmb/install-dbadmin/pgsql is in ledgersmb 1.3.40-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | # Configure ledgersmb user permissions
ALTER ROLE ledgersmb WITH SUPERUSER LOGIN NOINHERIT;
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