original_string: public function addTrait(string $traitName, string $alias = null)
      {
          $this->traits[] = $this->addUse($traitName, $alias);
  
          return $this;
      }
code: public function addTrait(string $traitName, string $alias = null)
      {
          $this->traits[] = $this->addUse($traitName, $alias);
  
          return $this;
      }
code_tokens: public function addTrait ( string $ traitName , string $ alias = null ) { $ this -> traits [ ] = $ this -> addUse ( $ traitName , $ alias ) ; return $ this ; }
docstring: Adds a trait
  
  @param string $traitName
  @param string $alias
  
  @return IntercessionClass
docstring_tokens: Adds a trait