@Override
    protected AmazonRekognition build(AwsSyncClientParams params) {
        return new AmazonRekognitionClient(params);
    }
Construct a synchronous implementation of AmazonRekognition using the current builder configuration.

@param params
       Current builder configuration represented as a parameter object.
@return Fully configured implementation of AmazonRekognition.
aws-java-sdk-rekognition/src/main/java/com/amazonaws/services/rekognition/AmazonRekognitionClientBuilder.java