@Nullable
  private static PsiElement copy(@NotNull PsiImportStaticStatement importStatement,
                                 @NotNull PsiElementFactory elementFactory) {
    PsiClass targetClass = importStatement.resolveTargetClass();
    String memberName = importStatement.getReferenceName();
    if (targetClass != null && memberName != null) {
      return elementFactory.createImportStaticStatement(targetClass, memberName);
    }

    return null;
  }
@Nullable
  private static PsiElement copy(@NotNull PsiImportStaticStatement importStatement,
                                 @NotNull PsiElementFactory elementFactory)