@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getIdentityPoolId() != null)
            sb.append("IdentityPoolId: ").append(getIdentityPoolId()).append(",");
        if (getIdentityId() != null)
            sb.append("IdentityId: ").append(getIdentityId()).append(",");
        if (getDatasetName() != null)
            sb.append("DatasetName: ").append(getDatasetName()).append(",");
        if (getDeviceId() != null)
            sb.append("DeviceId: ").append(getDeviceId());
        sb.append("}");
        return sb.toString();
    }
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-cognitosync/src/main/java/com/amazonaws/services/cognitosync/model/UnsubscribeFromDatasetRequest.java