@Override
                public Long getValue() {
                    try {
                        return ObjectSizeCalculator.getObjectSize(object);
                    } catch (UnsupportedOperationException e) {
                        return 0L;
                    }
                }
@return Name of the memory usage tracker.
modules/siddhi-core/src/main/java/io/siddhi/core/util/statistics/metrics/SiddhiMemoryUsageMetric.java