1: <?php
 2: namespace Pharborist\ControlStructures;
 3: 
 4: use Pharborist\ParentNode;
 5: use Pharborist\ExpressionNode;
 6: 
 7: /**
 8:  * An include(_once) or require(_once) expression.
 9:  */
10: abstract class ImportNode extends ParentNode implements ExpressionNode {
11:   /**
12:    * @var ExpressionNode
13:    */
14:   protected $expression;
15: 
16:   /**
17:    * @return ExpressionNode
18:    */
19:   public function getExpression() {
20:     return $this->expression;
21:   }
22: }
23: