Provide the setup configuration for the TileDB Cloud package.
Value
A named vector with configuration values is returned.
Details
It considers four different environment variables:
TILEDB_REST_TOKEN, TILEDB_REST_HOST,
TILEDB_REST_USERNAME, and TILEDB_REST_PASSWORD.
To operate, either an API token has to be provided and will
be used, or the username and password combination will be
used to log in with a new session.