*/
public function getDataDefinition();
+ /**
+ * Determines if this definition is satisfied by a context object.
+ *
+ * @param \Drupal\Core\Plugin\Context\ContextInterface $context
+ * The context object.
+ *
+ * @return bool
+ * TRUE if this definition is satisfiable by the context object, FALSE
+ * otherwise.
+ */
+ public function isSatisfiedBy(ContextInterface $context);
+
}