anchor.diff:  |camunda history level
   |camunda default value
   
  +|`{properties-prefix}.history-level-default`
  +|camunda history level to use when `history-level` is `auto` but the level can not determined automatically
  +|default value from `history-level`
  +
   |`{properties-prefix}.auto-deployment-enabled`
   |if processes should be auto deployed
   |`true`
  
positive.code:   return new CustomHistoryEventHanlder();
  }
  ----
  
  ==== `DefaultJobConfiguration`
  
  
negative.code: * `org.camunda.bpm.spring.boot.starter.configuration.CamundaProcessEngineConfiguration`
  * `org.camunda.bpm.spring.boot.starter.configuration.CamundaDatasourceConfiguration`
  * `org.camunda.bpm.spring.boot.starter.configuration.CamundaHistoryConfiguration`
  * `org.camunda.bpm.spring.boot.starter.configuration.CamundaHistoryLevelAutoHandlingConfiguration`
  * `org.camunda.bpm.spring.boot.starter.configuration.CamundaJobConfiguration`
  * `org.camunda.bpm.spring.boot.starter.configuration.CamundaDeploymentConfiguration`
  * `org.camunda.bpm.spring.boot.starter.configuration.CamundaJpaConfiguration`
  