public function get_downloadable_items() {
		$downloads = array();

		foreach ( $this->get_items() as $item ) {
			if ( ! is_object( $item ) ) {
				continue;
			}

			// Check item refunds.
			$refunded_qty = abs( $this->get_qty_refunded_for_item( $item->get_id() ) );
			if ( $refunded_qty && $item->get_quantity() === $refunded_qty ) {
				continue;
			}

			if ( $item->is_type( 'line_item' ) ) {
				$item_downloads = $item->get_item_downloads();
				$product        = $item->get_product();
				if ( $product && $item_downloads ) {
					foreach ( $item_downloads as $file ) {
						$downloads[] = array(
							'download_url'        => $file['download_url'],
							'download_id'         => $file['id'],
							'product_id'          => $product->get_id(),
							'product_name'        => $product->get_name(),
							'product_url'         => $product->is_visible() ? $product->get_permalink() : '', // Since 3.3.0.
							'download_name'       => $file['name'],
							'order_id'            => $this->get_id(),
							'order_key'           => $this->get_order_key(),
							'downloads_remaining' => $file['downloads_remaining'],
							'access_expires'      => $file['access_expires'],
							'file'                => array(
								'name' => $file['name'],
								'file' => $file['file'],
							),
						);
					}
				}
			}
		}

		return apply_filters( 'woocommerce_order_get_downloadable_items', $downloads, $this );
	}