x ) {
			$error_message = "Error serving transient file $file_name: {$ex->getMessage()}";
			wc_get_logger()->error( $error_message );

			$legacy_proxy->call_function( 'status_header', 500 );
			$legacy_proxy->exit();
		}

		$legacy_proxy->call_function( 'status_header', 200 );
		$legacy_proxy->call_function( 'header', 'Content-Type: text/html' );
		$legacy_proxy->call_function( 'header', "Content-Length: $file_length" );

		try {
			while ( ! feof( $file_handle ) ) {
				// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
				echo fread( $file_handle, 1024 );
			}

			/**
			 * Action that fires after a transient file has been successfully served, right before terminating the request.
			 *
			 * @param array $transient_file_info Information about the served file, as returned by get_file_by_name.
			 * @param bool $is_json_rest_api_request True if the request came from the JSON API endpoint, false if it came from the authenticated endpoint.
			 *
			 * @since 8.5.0
			 */
			do_action( 'woocommerce_transient_file_contents_served', $file_name );
		} catch ( Exception $e ) {
			wc_get_logger()->error( "Error serving transient file $file_name: {$e->getMessage()}" );
			// We can't change the response status code at this point.
		} finally {
			fclose( $file_handle );
			$legacy_proxy->exit();
		}
	}
}