rougail-tutorials_builder/examples/040/structural_files/firefox/20-manual.yml

%YAML 1.2
---
version: 1.1

manual:

  use_for_https: true  # Also use this proxy for HTTPS

  https_proxy:
    description: HTTPS Proxy
    hidden:
      variable: _.use_for_https

    address:
      description: HTTPS address
      default:
        variable: __.http_proxy.address

    port:
      description: HTTPS Port
      default:
        variable: __.http_proxy.port
...