Optional authOptional credentialsThe credentials used to sign requests.
Optional signerThe signer to use when signing requests.
Optional authScheme: AuthSchemeOptional signingWhether to escape request path when signing the request.
Optional signingThe region where you want to sign your request against. This can be different to the region in the endpoint.
Optional systemAn offset value in milliseconds to apply to all signing times.
A comma-separated list of case-sensitive auth scheme names. An auth scheme name is a fully qualified auth scheme ID with the namespace prefix trimmed. For example, the auth scheme with ID aws.auth#sigv4 is named sigv4.