don't load data for obsolete suspend context

platform/script-debugger/backend/src/org/jetbrains/debugger/DeclarativeScope.java

@@ -48,6 +48,10 @@ public abstract class DeclarativeScope<VALUE_LOADER extends ValueManager> extend
   }
 
   protected final void loadScopeObjectProperties(@NotNull ObjectValue value, @NotNull final AsyncResult<List<? extends Variable>> result) {
+    if (valueManager.rejectIfObsolete(result)) {
+      return;
+    }
+
     value.getProperties().doWhenDone(new Consumer<List<Variable>>() {
       @Override
       public void consume(List<Variable> variables) {

platform/script-debugger/backend/src/org/jetbrains/debugger/values/ValueManager.java

@@ -1,5 +1,6 @@
 package org.jetbrains.debugger.values;
 
+import com.intellij.openapi.util.ActionCallback;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.concurrent.atomic.AtomicInteger;
@@ -40,4 +41,12 @@ public abstract class ValueManager {
   public final void markObsolete() {
     obsolete = true;
   }
+
+  public final boolean rejectIfObsolete(@NotNull ActionCallback result) {
+    if (isObsolete()) {
+      result.reject("Obsolete context");
+      return true;
+    }
+    return false;
+  }
 }