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

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