private Boolean isDeclaredOverridable(CompoundName name, DimensionBinding dimensionBinding) {
        QueryProfile parent = lookupParentExact(name, true, dimensionBinding);
        if (parent.overridable == null) return null;
        return parent.overridable.get(name.last());
    }
Do a variant-aware content lookup in this
container-search/src/main/java/com/yahoo/search/query/profile/QueryProfile.java