@Override
    public int hashCode() {
        final int prime = 31;
        int hashCode = 1;

        hashCode = prime * hashCode + ((getId() == null) ? 0 : getId().hashCode());
        hashCode = prime * hashCode + ((getTitle() == null) ? 0 : getTitle().hashCode());
        hashCode = prime * hashCode + ((getBlob() == null) ? 0 : getBlob().hashCode());
        hashCode = prime * hashCode + ((getS3Path() == null) ? 0 : getS3Path().hashCode());
        hashCode = prime * hashCode + ((getAttributes() == null) ? 0 : getAttributes().hashCode());
        hashCode = prime * hashCode + ((getAccessControlList() == null) ? 0 : getAccessControlList().hashCode());
        hashCode = prime * hashCode + ((getHierarchicalAccessControlList() == null) ? 0 : getHierarchicalAccessControlList().hashCode());
        hashCode = prime * hashCode + ((getContentType() == null) ? 0 : getContentType().hashCode());
        hashCode = prime * hashCode + ((getAccessControlConfigurationId() == null) ? 0 : getAccessControlConfigurationId().hashCode());
        return hashCode;
    }
Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
redacted from this string using a placeholder value.

@return A string representation of this object.

@see java.lang.Object#toString()
aws-java-sdk-kendra/src/main/java/com/amazonaws/services/kendra/model/Document.java