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Code Inspection: Type declaration is redundant and could be simplified

Reports union type declarations that contain redundant types, for example, a union type that contains both the class alias and the original class.

See Union Types RFC: Duplicate and redundant types ( for details.

Suppress an inspection in the editor

  1. Place the caret at the highlighted line and press Alt+Enter or click the Intention action icon.

  2. Click the arrow next to the inspection you want to suppress and select the necessary suppress action.

Last modified: 11 February 2024