src/Filterer/Filterer.php
public function addFilter($index, $method = null, ...$params)
    {
        $this->filters[$index] = [$method, $params];
        return $this;
    }
public function addFilter($index, $method = null, ...$params)
    {
        $this->filters[$index] = [$method, $params];
        return $this;
    }
public function addFilter ( $ index , $ method = null , ... $ params ) { $ this -> filters [ $ index ] = [ $ method , $ params ] ; return $ this ; }
Add a single filter to the filters container

@param $index
@param null $method
@param ...$params
@return $this
Add a single filter to the filters container