private void setOverridable(CompoundName name, boolean overridable, DimensionBinding dimensionBinding) {
        QueryProfile parent = lookupParentExact(name, true, dimensionBinding);
        if (dimensionBinding.isNull()) {
            if (parent.overridable == null)
                parent.overridable = new HashMap<>();
            parent.overridable.put(name.last(), overridable);
        }
        else {
            variants.setOverridable(name.last(), overridable, dimensionBinding.getValues());
        }
    }
Sets the overridability of a field in this profile,
this overrides the corresponding setting in the type (if any)
container-search/src/main/java/com/yahoo/search/query/profile/QueryProfile.java