@Override
        public boolean continueMapChangeExecutions(final long startTime, final  int queueLength) {
            return providerLayer != null && providerLayer.continueMapChangeExecutions(startTime, queueLength);
        }
Key class to be used for entries in MapWriter from a GeoGroup
main/src/main/java/cgeo/geocaching/unifiedmap/geoitemlayer/GeoItemLayer.java