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<?php namespace NSP { class A {} } namespace NSP1 { use NSP; use NSP\A as ALIAS; interface WithoutReturn { function a(); } interface WithReturn { function a(): NSP\A; } interface WithReturnAlias { function a(): ALIAS; } interface WithReturnCase { function a(): NSP\a; } class Valid { function a(): NSP\A { } } class Invalid { function a(): int { } } class WithoutReturnClass { function a() { } } class C extends Valid implements WithReturnAlias {} }
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