@Override
  public @NotNull PsiImportStatementStub createStub(@NotNull LighterAST tree, @NotNull LighterASTNode node, @NotNull StubElement<?> parentStub) {
    boolean isOnDemand = false;
    String refText = null;

    for (LighterASTNode child : tree.getChildren(node)) {
      IElementType type = child.getTokenType();
      if (type == JavaElementType.JAVA_CODE_REFERENCE || type == JavaElementType.IMPORT_STATIC_REFERENCE) {
        refText = JavaSourceUtil.getReferenceText(tree, child);
      }
      else if (type == JavaTokenType.DOT) {
        isOnDemand = true;
      }
    }

    byte flags = PsiImportStatementStubImpl.packFlags(isOnDemand, node.getTokenType() == JavaElementType.IMPORT_STATIC_STATEMENT);
    return new PsiImportStatementStubImpl(parentStub, refText, flags);
  }
@Override
  public @NotNull PsiImportStatementStub createStub(@NotNull LighterAST tree, @NotNull LighterASTNode node, @NotNull StubElement<?> parentStub)