func GetNewCredentials() (cred Credentials, err error) {
	return GetNewCredentialsWithMetadata(map[string]any{}, "")
}

// CreateCredentials returns new credential with the given access key and secret key.
// Error is returned if given access key or secret key are invalid length.
func CreateCredentials(accessKey, secretKey string) (cred Credentials, err error) {
	if !IsAccessKeyValid(accessKey) {
		return cred, ErrInvalidAccessKeyLength

		// Smaller secret key.
		{alphaNumericTable[:accessKeyMinLen], alphaNumericTable[:secretKeyMinLen-1], false, ErrInvalidSecretKeyLength},
	}

	for i, testCase := range testCases {
		cred, err := CreateCredentials(testCase.accessKey, testCase.secretKey)

		if err != nil {
			if testCase.expectedErr == nil {
				t.Fatalf("test %v: error: expected = <nil>, got = %v", i+1, err)
			}