Bug in Hashcode? Duplicate values appended

[frostyandy2k]

https://github.com/BroadleafCommerce/blc-amazon/blob/develop-3.0.x/src/main/java/org/broadleafcommerce/vendor/amazon/s3/S3Configuration.java#L118

package org.broadleafcommerce.vendor.amazon.s3;

public class S3Configuration {

    @Override
    public int hashCode() {
        return new HashCodeBuilder()
      X      .append(awsSecretKey) -> awsKey?
      X      .append(awsSecretKey)
      X      .append(defaultBucketRegion) -> defaultBucketName?
      X      .append(defaultBucketRegion)
            .append(endpointURI)
            .append(bucketSubDirectory)
            .append(useInstanceProfileCredentials)
            .append(enableSSE)
            .build();