Message in Chinese (Simplified) (中文(简体))
对类型 '%1' 的限制无效。受限制类型中的通配符必须为基类型中对应通配符的有效子集，且 processContents 的限制性不能更弱。
Unlocalized message
Invalid restriction for type '%1'. The Wildcard in the restricted type must be a valid subset of the corresponding wildcard in the base type, and the processContents may not be more permissive.
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