docs: protected Violation createViolationForImport(SourceCode sourceCode, String className, String alias, String violationMessage) {
          Map importInfo = ImportUtil.sourceLineAndNumberForImport(sourceCode, className, alias);
          Violation violation = new Violation();
          violation.setRule(this);
          violation.setSourceLine((String) importInfo.get("sourceLine"));
          violation.setLineNumber((Integer) importInfo.get("lineNumber"));
          violation.setMessage(violationMessage);
          return violation;
      }