private void init() {
        setServiceNameIntern(DEFAULT_SIGNING_NAME);
        setEndpointPrefix(ENDPOINT_PREFIX);
        // calling this.setEndPoint(...) will also modify the signer accordingly
        setEndpoint("fis.us-east-1.amazonaws.com");
        HandlerChainFactory chainFactory = new HandlerChainFactory();
        requestHandler2s.addAll(chainFactory.newRequestHandlerChain("/com/amazonaws/services/fis/request.handlers"));
        requestHandler2s.addAll(chainFactory.newRequestHandler2Chain("/com/amazonaws/services/fis/request.handler2s"));
        requestHandler2s.addAll(chainFactory.getGlobalHandlers());
    }
Constructs a new client to invoke service methods on FIS using the specified parameters.

<p>
All service calls made using this new client object are blocking, and will not return until the service call
completes.

@param clientParams
       Object providing client parameters.
aws-java-sdk-fis/src/main/java/com/amazonaws/services/fis/AWSFISClient.java