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

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