/**
  * If the class definitions begins, all previous parsed lines
  * are added as preceding block
  * so we keep all includes, definition and other stuff
  * @return void
  */
 protected function onClassDefinitionFound()
 {
     $classPreComment = '';
     foreach (array_values($this->lines) as $line) {
         if (strlen(trim($line)) > 0) {
             $classPreComment .= $line;
         }
     }
     $this->classObject->setPrecedingBlock($classPreComment);
 }