Rule n°1 :
LF control character should not separate arguments of its attribute
https://git.opendaylight.org/gerrit/c/transportpce/+/101544/comment/042a92b9_7c6cfe19/
Rule n°2 :
We must divide intelligently line for example revision date should not be split from NS base.
...
Setter should be separated by a LF from the allocation and the builder.
https://git.opendaylight.org/gerrit/c/transportpce/+/101544/comment/1f26424f_a793c791/
Rule n°4 :
If it's possible It makes sense the arguments of the attributes object should be in the same line.
https://git.opendaylight.org/gerrit/c/transportpce/+/101544/comment/d93e9158_9752d8a2/
Rule n°5 :
If child attributes are distributed in few lines they need the same indentation level.
https://git.opendaylight.org/gerrit/c/transportpce/+/101544/comment/d93e9158_9752d8a2/
...