ASP.NET/VB Code Error (BC30183: keyword is not valid as an identifier vb)

<%@ Import Namespace="System.Web.Script.Serialization" %>
<%

    Public Class JSONstuff
        Public _archived As String
        Public _draft As String
        Public slug As String
        Public floorplan As FloorPlan
        Public updatedon As String
        Public _cid As String
        Public _id As String
    End Class

    Public Class FloorPlan
        Public fileId As String
        Public url As String
    End Class

    Private apiResult As String = "[{""_archived"": false,""_draft"": false,""slug"": ""hello world"",""floorplan"": {""fileId"": ""5b63742808c7fb391eda59ba"",""url"": ""web.svg""},""updatedon"": ""2018-08-19T17:51:47.638Z"",""_cid"": ""5b611bdfe35d2186da2bd7ac"",""_id"": ""5b61d8577742371347c4fd02""}]"
    Private jss As JavaScriptSerializer = New JavaScriptSerializer()
    Private XYZ As List(Of JSONstuff) = jss.Deserialize(Of List(Of JSONstuff))(apiResult)

    Response.write(XYZ)

%>

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