@Override
    public DescribeAddonResult apply(DescribeAddonRequest describeAddonRequest) {
        return client.describeAddon(describeAddonRequest);
    }
Makes a call to the operation specified by the waiter by taking the corresponding request and returns the
corresponding result

@param describeAddonRequest
       Corresponding request for the operation
@return Corresponding result of the operation
aws-java-sdk-eks/src/main/java/com/amazonaws/services/eks/waiters/DescribeAddonFunction.java