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

        hashCode = prime * hashCode + ((getAppVersion() == null) ? 0 : getAppVersion().hashCode());
        hashCode = prime * hashCode + ((getLocale() == null) ? 0 : getLocale().hashCode());
        hashCode = prime * hashCode + ((getMake() == null) ? 0 : getMake().hashCode());
        hashCode = prime * hashCode + ((getModel() == null) ? 0 : getModel().hashCode());
        hashCode = prime * hashCode + ((getModelVersion() == null) ? 0 : getModelVersion().hashCode());
        hashCode = prime * hashCode + ((getPlatform() == null) ? 0 : getPlatform().hashCode());
        hashCode = prime * hashCode + ((getPlatformVersion() == null) ? 0 : getPlatformVersion().hashCode());
        hashCode = prime * hashCode + ((getTimezone() == null) ? 0 : getTimezone().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-pinpoint/src/main/java/com/amazonaws/services/pinpoint/model/EndpointDemographic.java