in src/main/java/com/amazonaws/neptune/auth/NeptuneApacheHttpSigV4Signer.java [95:99]
public NeptuneApacheHttpSigV4Signer(final String regionName,
final AwsCredentialsProvider awsCredentialsProvider) throws NeptuneSigV4SignerException {
super(regionName, awsCredentialsProvider);
}