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

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