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

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