public function setExpressionVisitor(\Aztech\Skwal\Visitor\Printer\Expression $visitor)
    {
        $this->expressionVisitor = $visitor;
    }
public function setExpressionVisitor(\Aztech\Skwal\Visitor\Printer\Expression $visitor)
    {
        $this->expressionVisitor = $visitor;
    }
public function setExpressionVisitor ( \ Aztech \ Skwal \ Visitor \ Printer \ Expression $ visitor ) { $ this -> expressionVisitor = $ visitor ; }
Sets the visitor instance for used to output expressions.

@param \Aztech\Skwal\Visitor\Printer\Expression $visitor
@codeCoverageIgnore Cannot be tested as there are no getters
Sets the visitor instance for used to output expressions .