public Map<String,List<PageElement>> getResolution(MapChoice choice) {
        Map<String,List<PageElement>> resolution=mapChoiceResolutions.get(choice);
        if (resolution==null) throw new IllegalArgumentException(this + " has no resolution of " + choice);
        return resolution;
    }
Returns the resolution of a map choice.

@return the chosen mapping - entries from placeholder id to the values to use at the location of that placeholder
@throws IllegalArgumentException if this choice has not been resolved in this
container-search/src/main/java/com/yahoo/search/pagetemplates/engine/Resolution.java