original_string: public function customSetting(string $settingKey, $settingValue): self
      {
          $this->clientConfig[$settingKey] = $settingValue;
          return $this;
      }
code: public function customSetting(string $settingKey, $settingValue): self
      {
          $this->clientConfig[$settingKey] = $settingValue;
          return $this;
      }
code_tokens: public function customSetting ( string $ settingKey , $ settingValue ) : self { $ this -> clientConfig [ $ settingKey ] = $ settingValue ; return $ this ; }
docstring: add or modify client config by custom
  @return self
docstring_tokens: add or modify client config by custom