override fun getType(psi: PsiVariable): TYPE {
        @Suppress("UNCHECKED_CAST")
        return psi.type as TYPE
    }
}

internal class JavaElementDelegatingMethodReturnTypeSourceWithSmartPointer<TYPE : PsiType>(
    override val psiPointer: SmartPsiElementPointer<out PsiMethod>,
    override val factory: JavaElementSourceFactory,

        require(psiMethodSource is JavaElementPsiSourceWithSmartPointer)
        return JavaElementDelegatingMethodReturnTypeSourceWithSmartPointer(psiMethodSource.pointer, psiMethodSource.factory)
    }

    override fun <TYPE : PsiType> createTypeParameterUpperBoundTypeSource(