Php8. Expected an object instance when accessing an instance property, but saw an expression $file with type bool

Problem/Motivation

Phan scan catch an error on PHP8 version

Expected an object instance when accessing an instance property, but saw an expression $file with type bool on plupload/plupload.module line 239
Expected an object instance when accessing an instance property, but saw an expression $file with type bool on plupload/plupload.module line 240

Steps to reproduce

Run phan scan- on PHP8

Proposed resolution

Seems that error in annotaion in https://git.drupalcode.org/project/plupload/-/blob/7.x-1.7/plupload.modu... function should return object because variable $wrapper never used https://git.drupalcode.org/project/plupload/-/blob/7.x-1.7/plupload.modu...