OptionalaccessAWS access key ID. Required on Create when using access-key auth. Treated as username-equivalent (not a secret value): round-trips on reads and is scrubbed from audit logs.
OptionalsecretAWS secret access key paired with access_key_id. Required on Create when
using access-key auth. Supplied as inline plaintext via
ProviderSecret.plaintext.
AWS access-key-pair auth for Amazon Bedrock: a SigV4-signing key pair.