The specific comment was:

  

      github.com/tensorflow/addons
  

  
    
  
    
  

  
    
      [CI] Add cpplint as sanity check
    

    
      tensorflow:master ← Squadrick:cpplint
    

    
      
        opened 
        
          
        
        May 10, 2020
      
      

      
        
          
          Squadrick
        
      

      
        
          +34
          -13
        
      
    
  


  
    Make the required changes to ensure clean cpplint run.
Command:
```
$ cpplint… --filter=-build/header_guard --recursive tensorflow_addons/custom_ops
```
  

  

  
    
    
  

  


Also you can see @Mehdi_AMINI commit at:

  

      github.com/tensorflow/mlir-hlo
  

  
    
  
    
  

  
    
      Fix clang-tidy warning about C-style cast
    

    
      
        committed 
        
          
        
        Sep 14, 2021
      
      

      
        
          
          joker-eph
        
      

      
        
          +1
          -1
        
      
    
  


  
    PiperOrigin-RevId: 396489741
  

  

  
    
    
  

  


If your read both the links they have a clang-tidy pass in the internal repository but It was not exposed on the open source one.
I have no access to the internal repo but I suppose that for mlir-hlo they are using something like:

  

      github.com
  

  
    llvm/llvm-project/blob/main/.clang-tidy


    Checks: '-*,clang-diagnostic-*,llvm-*,misc-*,-misc-unused-parameters,-misc-non-private-member-variables-in-classes,-misc-no-recursion,readability-identifier-naming'
CheckOptions:
  - key:             readability-identifier-naming.ClassCase
    value:           CamelCase
  - key:             readability-identifier-naming.EnumCase
    value:           CamelCase
  - key:             readability-identifier-naming.FunctionCase
    value:           camelBack
  - key:             readability-identifier-naming.MemberCase
    value:           CamelCase
  - key:             readability-identifier-naming.ParameterCase
    value:           CamelCase
  - key:             readability-identifier-naming.UnionCase
    value:           CamelCase
  - key:             readability-identifier-naming.VariableCase
    value:           CamelCase
  - key:             readability-identifier-naming.IgnoreMainLikeFunctions
    value:           1