public static Map<String, MemoryUsage> getMemoryUsageBeforeGc(CompositeData cd) {
try {
TabularData td = (TabularData) cd.get(MEMORY_USAGE_BEFORE_GC);
return cast(memoryUsageMapType.toJavaTypeData(td));
} catch (InvalidObjectException | OpenDataException e) {
// Should never reach here
throw new AssertionError(e);
}
}
