Returns a list of dataSources that are currently available.
This is notobservable because we had bugs when we did that. then we'd need to be very careful about using action when modifying it,
which will require more careful consideration (as of this writing it's mostly ChartManager._init() that mutates dataSources).
Returns a list of
dataSourcesthat are currently available. This is notobservablebecause we had bugs when we did that. then we'd need to be very careful about usingactionwhen modifying it, which will require more careful consideration (as of this writing it's mostly ChartManager._init() that mutates dataSources).