   // Original set of values. So we can see what has really changed on the save and
    // perform appropriate change operations. We only really want to operate on changed
    // values, to avoid generating churn.
   // Original set of values. So we can see what has really changed on the save and
    // perform appropriate change operations. We only really want to operate on changed
    // values, to avoid generating churn. | CBreakpointPreferenceStore.java