override val diagnosticClass get() = RedundantSetterParameterType::class
    }

    interface UnusedVariable : KtFirDiagnostic<KtNamedDeclaration> {
        override val diagnosticClass get() = UnusedVariable::class
    }

    interface AssignedValueIsNeverRead : KtFirDiagnostic<PsiElement> {
        override val diagnosticClass get() = AssignedValueIsNeverRead::class