The people who negotiated the TP&A know. The company negotiators know how they will testify as to "the intent" of that provision in the inevitable grievance. That will be the year after next, long after the company does what it wants to do with the whipsaw.
Didn't the UAL-MEC lose 44 million of ALPA dollars on the bond issue because no one wanted to ask what was the negotiators intent for that money? It did not even have to go to court.