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

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