buckets_s3              List the buckets the credentials can see
copy_s3                 Copy an object inside the store
delete_s3               Delete objects
download_s3             Download an object to a file
exists_s3               Does an object exist?
head_s3                 Metadata of an object
list_s3                 List the objects under a prefix
presign_s3              A pre-signed URL
read_s3                 Read an object into R
s3_config               Configure the connection to the store
sync_up_s3              Mirror a directory to a prefix, or a prefix to
                        a directory
upload_s3               Upload a file
use_bucket              Set the default bucket or endpoint for the
                        session
write_s3                Write an R object to the store
