@Override
 public void invoke(@NotNull Project project, Editor editor, KtFile file)
     throws IncorrectOperationException {
   if (getElement() instanceof KtBinaryExpressionWithTypeRHS) {
     KtExpression left = ((KtBinaryExpressionWithTypeRHS) getElement()).getLeft();
     KtTypeReference right = ((KtBinaryExpressionWithTypeRHS) getElement()).getRight();
     if (right != null) {
       KtExpression expression =
           KtPsiFactoryKt.KtPsiFactory(file)
               .createExpression(left.getText() + operation + right.getText());
       getElement().replace(expression);
     }
   }
 }
  @NotNull
  private static KtProperty createProperty(
      @NotNull KtProperty property,
      @NotNull KotlinType propertyType,
      @Nullable String initializer) {
    KtTypeReference typeRef = property.getTypeReference();
    String typeString = null;
    if (typeRef != null) {
      typeString = typeRef.getText();
    } else if (!propertyType.isError()) {
      typeString = IdeDescriptorRenderers.SOURCE_CODE.renderType(propertyType);
    }

    return KtPsiFactoryKt.KtPsiFactory(property)
        .createProperty(property.getName(), typeString, property.isVar(), initializer);
  }