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   1  <?php
   2  
   3  abstract class DrydockInterface {
   4  
   5    private $config;
   6  
   7    abstract public function getInterfaceType();
   8  
   9    final public function setConfiguration(array $config) {
  10      $this->config = $config;
  11      return $this;
  12    }
  13  
  14    final protected function getConfig($key, $default = null) {
  15      return idx($this->config, $key, $default);
  16    }
  17  
  18  }