def credentials = new DefaultAwsCredentials()
        credentials.setAccessKey(secretValue)
        credentials.setSecretKey(secretValue)
        credentials.setSessionToken(secretValue)
        return credentials
    }

    private static DefaultPasswordCredentials makePasswordCredentials(String secretValue) {
        def credentials = new DefaultPasswordCredentials()

     *
     * @since 3.3
     */
    @Nullable
    String getSessionToken();

    /**
     * Sets the secret key to use to authenticate with AWS.
     *
     * @since 3.3
     */
    void setSessionToken(@Nullable String token);

        this.secretKey = secretKey;
    }

    @Internal
    @Override
    public String getSessionToken() {
        return sessionToken;
    }

    @Override
    public void setSessionToken(String token) {
        this.sessionToken = token;
    }

            AwsCredentials credentials = new DefaultAwsCredentials();
            credentials.setAccessKey(accessKey);
            credentials.setSecretKey(secretKey);
            credentials.setSessionToken(getOptionalProperty("SessionToken"));
            return credentials;
        }
    }

    private class HttpHeaderCredentialsProvider extends CredentialsProvider<HttpHeaderCredentials> {

        String bucketName = System.getenv('G_S3_BUCKET')
        credentials.setAccessKey(System.getenv('G_AWS_ACCESS_KEY_ID'))
        credentials.setSecretKey(System.getenv('G_AWS_SECRET_ACCESS_KEY'))
        credentials.setSessionToken(System.getenv('G_AWS_SESSION_TOKEN'))

        S3Client s3Client = new S3Client(credentials, new S3ConnectionProperties())

        def fileContents = 'This is only a test'