HOCON0
{
  akka : {
    actor : {
      provider : cluster
    },
    deployment : {
      /foo : {
        dispatcher : bar
      }
    }
  }
}

------------
HOCON1
{
  akka : {
    debug : {
      received : on
    },
    actor : {
      provider : cluster
    },
    deployment : {
      /foo : {
        dispatcher : bar
      },
      /bar : {
        mailbox : "myFoo"
      }
    }
  }
}

------------
HOCON2
{
  akka : {
    remote : {
      transport : "foo"
    },
    debug : {
      received : on
    },
    actor : {
      provider : cluster
    },
    deployment : {
      /foo : {
        dispatcher : bar
      },
      /bar : {
        mailbox : "myFoo"
      }
    }
  }
}