Documentation unclear

[sxpert]

Additional Information

Version of s3fs being used (s3fs --version)

Amazon Simple Storage Service File System V1.90 (commit:unknown) with GnuTLS(gcrypt)
Copyright (C) 2010 Randy Rizun rrizun@gmail.com
License GPL2: GNU GPL version 2 https://gnu.org/licenses/gpl.html
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Version of fuse being used (pkg-config --modversion fuse, rpm -qi fuse or dpkg -s fuse)

Package: fuse
Status: install ok installed
Priority: optional
Section: utils
Installed-Size: 130
Maintainer: Laszlo Boszormenyi (GCS) gcs@debian.org
Architecture: amd64
Source: fuse (2.9.9-6)
Version: 2.9.9-6+b1
Depends: libc6 (>= 2.34), libfuse2 (= 2.9.9-6+b1), adduser, mount (>= 2.19.1), sed (>= 4)
Conffiles:
/etc/fuse.conf 298587592c8444196833f317def414f2
Description: Filesystem in Userspace
Filesystem in Userspace (FUSE) is a simple interface for userspace programs to
export a virtual filesystem to the Linux kernel. It also aims to provide a
secure method for non privileged users to create and mount their own filesystem
implementations.
Homepage: https://github.com/libfuse/libfuse/wiki

Kernel information (uname -r)

6.1.0-17-amd64

GNU/Linux Distribution, if applicable (cat /etc/os-release)

PRETTY_NAME="Devuan GNU/Linux 5 (daedalus)"
NAME="Devuan GNU/Linux"
VERSION_ID="5"
VERSION="5 (daedalus)"
VERSION_CODENAME="daedalus"
ID=devuan
ID_LIKE=debian
HOME_URL="https://www.devuan.org/"
SUPPORT_URL="https://devuan.org/os/community"
BUG_REPORT_URL="https://bugs.devuan.org/"

Details about issue

have been successful connecting to my minio server that has no region set with sigv2
it appears that I would need to set the "endpoint" option to empty if I was to use sigv4.
is that possible ?
there is no info on how to do that in the documentation