private static boolean isSafeToDeleteIfStatement(PsiIfStatement ifStatement, PsiField field) {
    if (ifStatement.getElseBranch() != null) {
      return false;
    }
    final PsiStatement thenBranch = ifStatement.getThenBranch();
    if (thenBranch == null) {
      return false;
    }
    final PsiStatement statement = ControlFlowUtils.stripBraces(thenBranch);
    if (!(statement instanceof PsiExpressionStatement expressionStatement)) {
      return false;
    }
    return isSimpleAssignment(expressionStatement, field);
  }
private static boolean isSafeToDeleteIfStatement(PsiIfStatement ifStatement, PsiField field)