@Override
 public Map<JetScript, ScriptDescriptor> getScripts() {
   return Collections.emptyMap();
 }
 @Override
 public Map<JetNamedFunction, SimpleFunctionDescriptor> getFunctions() {
   return Collections.emptyMap();
 }
 @Override
 public Map<JetProperty, PropertyDescriptor> getProperties() {
   return Collections.emptyMap();
 }
 @Override
 public Map<JetObjectDeclaration, MutableClassDescriptor> getObjects() {
   return Collections.emptyMap();
 }
 @Override
 public Map<JetClass, MutableClassDescriptor> getClasses() {
   return Collections.emptyMap();
 }
 @Override
 public Map<JetScript, WritableScope> getScriptScopes() {
   return Collections.emptyMap();
 }