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

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