@Override
    protected AmazonECRAsync build(AwsAsyncClientParams params) {
        return new AmazonECRAsyncClient(params);
    }
Construct an asynchronous implementation of AmazonECRAsync using the current builder configuration.

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