Rule n°1 :
LF should not separate arguments of its attribute
https://git.opendaylight.org/gerrit/c/transportpce/+/101544/comment/042a92b9_7c6cfe19/
Rule n°2 :
We must divide line for example revision date should not be split from NS base.
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It makes sense the arguments of the 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/
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