addAll
Specify how to observe a value that is currently being read with multiple bindings.
    ObservationRecorder.addMany(observes)
  
  The same as add but takes an array of [object, event] arrays.
The following indicates to onKeyValue obj1 and obj2 and
onValue value:
ObservationRecorder.addMany( [
    [ obj1, "prop1" ],
    [ value ],
    [ obj2, "prop2" ]
] );
Parameters
- observes {Array}:An array of [object, event]"observable" arrays. If an "observable" array only has one item, it's assumed to be a onValue binding.
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