apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/listener/ConfigPublishEvent.java/ConfigPublishEvent/withPreviousReleaseId
class ConfigPublishEvent:  public ConfigPublishEvent withPreviousReleaseId(long previousReleaseId){
    configPublishInfo.setPreviousReleaseId(previousReleaseId);
    return this;
  }