### Body ### Body [AIP-90](https://cwiki.apache.org/confluence/display/AIRFLOW/AIP-90+Human+in+the+loop) Details to be updated probably should not applied to `ApprovalOperator` and `HITLTerminationOperator` ### Committer - [x] I acknowledge that I am a maintainer/committer of the Apache Airflow project. ### Committer - [x] I acknowledge that I am a maintainer/committer of the Apache Airflow project.
