public static ContextStore executionStarted(ContextStore context) {
Object vm = context.vm;
Objects.requireNonNull(vm);
final ContextStore prev = CURRENT_VM.get();
CURRENT_VM.enter(context);
return prev;
}
private static Object currentVM() {
ContextStore current = CURRENT_VM.get();
return current == null ? null : current.vm;
}
