GetTemporaryCredentialsProviderForProfile returns the aws provider that fits the scenario described by the current configuration.

TryAWSVaultBackends looks for AWS credentials in the user's vaulting backends, using functionality provided by AWS Vault.

TryCredentialsFile looks for the access key in the ~/.aws/credentials file.

CacheProviderFactory 's functions return AWS providers that are also handling reading and writing from shell plugin's encrypted cache.