in src/main/java/org/apache/sling/feature/apiregions/model/io/json/ApiRegionsJSONParser.java [54:64]
    public static ApiRegions parseApiRegions(Feature feature) {
        requireNonNull(feature, "Impossible to extract api-regions from a null feature");
        Extensions extensions = feature.getExtensions();
        Extension apiRegionsExtension = extensions.getByName(API_REGIONS_KEY);
        if (apiRegionsExtension == null) {
            return null;
        }
        return parseApiRegions(apiRegionsExtension);
    }