First example secret
  first-secret-file:
    # or null
    <string>
  Second example secret, bare or in a file
  second-secret:
    # or null
    <string>
  Second example secret, bare or in a file
  second-secret-file:
    # or null
    <string>
  Second example secret, bare or in a file, only conf
  second-secret:
    # or null
    <string>
  Second example secret, bare or in a file, only conf
  second-secret-file:
    # or null
    <string>