src/Mpociot/Reflection/DocBlock/Serializer.php
public function setLineLength($lineLength)
    {
        $this->lineLength = null === $lineLength ? null : (int)$lineLength;
        return $this;
    }
public function setLineLength($lineLength)
    {
        $this->lineLength = null === $lineLength ? null : (int)$lineLength;
        return $this;
    }
public function setLineLength ( $ lineLength ) { $ this -> lineLength = null === $ lineLength ? null : ( int ) $ lineLength ; return $ this ; }
Sets the line length.

Sets the length of each line in the serialization. Content will be
wrapped within this limit.

@param int|null $lineLength The length of each line. NULL to disable line
wrapping altogether.

@return $this This serializer object.
Sets the line length .