code: public function removeHeaders(array $headers)
      {
          $this->inProcessingLoop = true;
          foreach ($headers as $value) {
              if (is_string($value) || is_numeric($value)) {
                  unset($this->configs['headers'][$value]);
              }
          }
  
          $this->inProcessingLoop = false;
          return $this->buildConfigClient();
      }
docs: Replace Headers Value
  
  @param array $headers collection headers array
  @return static