Grid/GridRegistry.php
public function getColumn($type)
    {
        if (!$this->hasColumn($type)) {
            throw new ColumnNotFoundException($type);
        }

        $column = $this->columns[$type];

        return $column;
    }
public function getColumn($type)
    {
        if (!$this->hasColumn($type)) {
            throw new ColumnNotFoundException($type);
        }

        $column = $this->columns[$type];

        return $column;
    }
{@inheritdoc}