title: FeignHystrixConcurrencyStrategyIntellif.java:4: error: package com.netflix.hystrix does not exist
body: <p>I upgrade the Spring Cloud to <code>2020.0.3</code> version, it shows error</p>
  <pre><code>/home/dolphin/Documents/GitHub/retire/dolphin-common/src/main/java/misc/config/hystrix/FeignHystrixConcurrencyStrategyIntellif.java:4: error: package com.netflix.hystrix does not exist
  import com.netflix.hystrix.HystrixThreadPoolKey;
                                ^
  /home/dolphin/Documents/GitHub/retire/dolphin-common/src/main/java/misc/config/hystrix/FeignHystrixConcurrencyStrategyIntellif.java:5: error: package com.netflix.hystrix does not exist
  import com.netflix.hystrix.HystrixThreadPoolProperties;
                                ^
  /home/dolphin/Documents/GitHub/retire/dolphin-common/src/main/java/misc/config/hystrix/FeignHystrixConcurrencyStrategyIntellif.java:6: error: package com.netflix.hystrix.strategy does not exist
  import com.netflix.hystrix.strategy.HystrixPlugins;
                                         ^
  /home/dolphin/Documents/GitHub/retire/dolphin-common/src/main/java/misc/config/hystrix/FeignHystrixConcurrencyStrategyIntellif.java:7: error: package com.netflix.hystrix.strategy.concurrency does not exist
  import com.netflix.hystrix.strategy.concurrency.HystrixConcurrencyStrategy;
                                                     ^
  /home/dolphin/Documents/GitHub/retire/dolphin-common/src/main/java/misc/config/hystrix/FeignHystrixConcurrencyStrategyIntellif.java:8: error: package com.netflix.hystrix.strategy.concurrency does not exist
  import com.netflix.hystrix.strategy.concurrency.HystrixRequestVariable;
  </code></pre>
  <p>I have tried each version of <code>api &quot;org.springframework.cloud:spring-cloud-starter-netflix-ribbon:2.0.0.RELEASE&quot;</code> None of the version contains the package, what should I do to fix this problem? I did not know which version of Netflix remove the package.</p>