anchor.diff:  ''';
   
   class AvoidSingleCascadeInExpressionStatements extends LintRule {
  -  AvoidSingleCascadeInExpressionStatements() : super(
  -          name: 'avoid_single_cascade_in_expression_statements',
  +  AvoidSingleCascadeInExpressionStatements()
  +      : super(
  +            name: 'avoid_single_cascade_in_expression_statements',
               description: _desc,
               details: _details,
               group: Group.style);
  
positive.code: 
    @override
    visitCascadeExpression(CascadeExpression node) {
      if (node.cascadeSections.length == 1 && node.parent is ExpressionStatement) {
        rule.reportLint(node);
      }
    }
  
negative.code: import 'package:analyzer/dart/ast/ast.dart';
  import 'package:analyzer/dart/ast/visitor.dart';
  import 'package:linter/src/analyzer.dart';
  
  const _desc = r'Avoid single cascade in expression statements.';
  
  