interface ConfigurableInterface

interface ConfigurableInterface {
    
    /**
     * Gets this plugin's configuration.
     *
     * @return array
     *   An array of this plugin's configuration.
     */
    public function getConfiguration();
    
    /**
     * Sets the configuration for this plugin instance.
     *
     * @param array $configuration
     *   An associative array containing the plugin's configuration.
     */
    public function setConfiguration(array $configuration);
    
    /**
     * Gets default configuration for this plugin.
     *
     * @return array
     *   An associative array with the default configuration.
     */
    public function defaultConfiguration();

}