val typeParameters: List<ApiTypeUsage> by unsafeLazy {
        context.apiTypeParametersFor(visitedSignature)
    }

    val parameters: List<ApiFunctionParameter> by unsafeLazy {
        context.apiFunctionParametersFor(delegate, visitedSignature)
    }

    val returnType: ApiTypeUsage by unsafeLazy {
        context.apiTypeUsageForReturnType(delegate, visitedSignature?.returnType)
    }

    internal