Automattic / jetpack

		}

		if (!empty($mediaType) && !$this->literal("and")) {

			// ~

		} else {

			$this->genericList($expressions, "mediaExpression", "and", false);

			if (is_array($expressions)) $parts = array_merge($parts, $expressions[2]);

		}

		if (count($parts) == 0) {

			$this->seek($s);

			$parts[] = $prop;

		}

		if (empty($parts) || $this->literal("and")) {

			$this->genericList($expressions, "mediaExpression", "and", false);

			if (is_array($expressions)) $parts = array_merge($parts, $expressions[2]);

		}

		$out = $parts;

		return true;