def METHOD_NAME():
    pg_type = get_pg_type()
    if pg_type == 'PG':
        if os_family() == 'RedHat':
            return '/var/lib/pgsql'
        elif os_family() == 'Debian':
            return '/var/lib/postgresql'
    elif pg_type == 'EPAS':
        if os_family() == 'RedHat':
            return '/var/lib/edb/'
        elif os_family() == 'Debian':
            return '/var/lib/edb-as'