@Override
    @CheckForNull
    public E getNext() {
      return null;
    }
  }

  /** Marker interface for {@link InternalEntry} implementations for strong values. */
  interface StrongValueEntry<K, V, E extends InternalEntry<K, V, E>>
      extends InternalEntry<K, V, E> {}

  /** Marker interface for {@link InternalEntry} implementations for weak values. */

        assertEquals(4, ((List<?>) pom.getValue("build/plugins[1]/executions")).size());
    }

    @Test
    void testInterpolationWithXmlMarkup() throws Exception {
        PomTestWrapper pom = buildPom("xml-markup-interpolation");
        assertEquals("<?xml version='1.0'?>Tom&Jerry", pom.getValue("properties/xmlTest"));
    }

    /* MNG-3925 */
    @Test