diff --git a/head/csharp-multiple-json-top-levels/test/inputs/json/priority/issue-1630/default/QuickType.cs b/head/csharp-multiple-json-top-levels/test/inputs/json/priority/issue-1630/default/QuickType.cs
new file mode 100644
index 0000000..30a37de
--- /dev/null
+++ b/head/csharp-multiple-json-top-levels/test/inputs/json/priority/issue-1630/default/QuickType.cs
@@ -0,0 +1,256 @@
+// <auto-generated />
+//
+// To parse this JSON data, add NuGet 'System.Text.Json' then do one of these:
+//
+//    using QuickType;
+//
+//    var accountsGetRequest = AccountsGetRequest.FromJson(jsonString);
+//    var authGetRequest = AuthGetRequest.FromJson(jsonString);
+//    var transactionsGetRequest = TransactionsGetRequest.FromJson(jsonString);
+#nullable enable
+#pragma warning disable CS8618
+#pragma warning disable CS8601
+#pragma warning disable CS8602
+#pragma warning disable CS8603
+
+namespace QuickType
+{
+    using System;
+    using System.Collections.Generic;
+
+    using System.Text.Json;
+    using System.Text.Json.Serialization;
+    using System.Globalization;
+
+    public partial class AccountsGetRequest
+    {
+        [JsonRequired]
+        [JsonPropertyName("access_token")]
+        public string AccessToken { get; set; }
+
+        [JsonRequired]
+        [JsonPropertyName("client_id")]
+        public string ClientId { get; set; }
+
+        [JsonRequired]
+        [JsonPropertyName("secret")]
+        public string Secret { get; set; }
+    }
+
+    public partial class AuthGetRequest
+    {
+        [JsonRequired]
+        [JsonPropertyName("access_token")]
+        public string AccessToken { get; set; }
+
+        [JsonRequired]
+        [JsonPropertyName("client_id")]
+        public string ClientId { get; set; }
+
+        [JsonRequired]
+        [JsonPropertyName("options")]
+        public AuthGetRequestOptions Options { get; set; }
+
+        [JsonRequired]
+        [JsonPropertyName("secret")]
+        public string Secret { get; set; }
+    }
+
+    public partial class AuthGetRequestOptions
+    {
+        [JsonRequired]
+        [JsonPropertyName("account_ids")]
+        public string[] AccountIds { get; set; }
+    }
+
+    public partial class TransactionsGetRequest
+    {
+        [JsonRequired]
+        [JsonPropertyName("access_token")]
+        public string AccessToken { get; set; }
+
+        [JsonRequired]
+        [JsonPropertyName("client_id")]
+        public string ClientId { get; set; }
+
+        [JsonRequired]
+        [JsonPropertyName("end_date")]
+        public DateTimeOffset EndDate { get; set; }
+
+        [JsonRequired]
+        [JsonPropertyName("options")]
+        public TransactionsGetRequestOptions Options { get; set; }
+
+        [JsonRequired]
+        [JsonPropertyName("secret")]
+        public string Secret { get; set; }
+
+        [JsonRequired]
+        [JsonPropertyName("start_date")]
+        public DateTimeOffset StartDate { get; set; }
+    }
+
+    public partial class TransactionsGetRequestOptions
+    {
+        [JsonRequired]
+        [JsonPropertyName("account_ids")]
+        public string[] AccountIds { get; set; }
+
+        [JsonRequired]
+        [JsonPropertyName("count")]
+        public long Count { get; set; }
+
+        [JsonRequired]
+        [JsonPropertyName("offset")]
+        public long Offset { get; set; }
+    }
+
+    public partial class AccountsGetRequest
+    {
+        public static AccountsGetRequest FromJson(string json) => JsonSerializer.Deserialize<AccountsGetRequest>(json, QuickType.Converter.Settings);
+    }
+
+    public partial class AuthGetRequest
+    {
+        public static AuthGetRequest FromJson(string json) => JsonSerializer.Deserialize<AuthGetRequest>(json, QuickType.Converter.Settings);
+    }
+
+    public partial class TransactionsGetRequest
+    {
+        public static TransactionsGetRequest FromJson(string json) => JsonSerializer.Deserialize<TransactionsGetRequest>(json, QuickType.Converter.Settings);
+    }
+
+    public static partial class Serialize
+    {
+        public static string ToJson(this AccountsGetRequest self) => JsonSerializer.Serialize(self, QuickType.Converter.Settings);
+        public static string ToJson(this AuthGetRequest self) => JsonSerializer.Serialize(self, QuickType.Converter.Settings);
+        public static string ToJson(this TransactionsGetRequest self) => JsonSerializer.Serialize(self, QuickType.Converter.Settings);
+    }
+
+    internal static partial class Converter
+    {
+        public static readonly JsonSerializerOptions Settings = new(JsonSerializerDefaults.General)
+        {
+            Converters =
+            {
+                new DateOnlyConverter(),
+                new TimeOnlyConverter(),
+                IsoDateTimeOffsetConverter.Singleton
+            },
+        };
+    }
+    
+    public class DateOnlyConverter : JsonConverter<DateOnly>
+    {
+        private readonly string serializationFormat;
+        public DateOnlyConverter() : this(null) { }
+
+        public DateOnlyConverter(string? serializationFormat)
+        {
+                this.serializationFormat = serializationFormat ?? "yyyy-MM-dd";
+        }
+
+        public override DateOnly Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+                var value = reader.GetString();
+                return DateOnly.Parse(value!);
+        }
+
+        public override void Write(Utf8JsonWriter writer, DateOnly value, JsonSerializerOptions options)
+                => writer.WriteStringValue(value.ToString(serializationFormat));
+    }
+
+    public class TimeOnlyConverter : JsonConverter<TimeOnly>
+    {
+        private readonly string serializationFormat;
+
+        public TimeOnlyConverter() : this(null) { }
+
+        public TimeOnlyConverter(string? serializationFormat)
+        {
+                this.serializationFormat = serializationFormat ?? "HH:mm:ss.fff";
+        }
+
+        public override TimeOnly Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+                var value = reader.GetString();
+                return TimeOnly.Parse(value!);
+        }
+
+        public override void Write(Utf8JsonWriter writer, TimeOnly value, JsonSerializerOptions options)
+                => writer.WriteStringValue(value.ToString(serializationFormat));
+    }
+
+    internal class IsoDateTimeOffsetConverter : JsonConverter<DateTimeOffset>
+    {
+        public override bool CanConvert(Type t) => t == typeof(DateTimeOffset);
+
+        private const string DefaultDateTimeFormat = "yyyy'-'MM'-'dd'T'HH':'mm':'ss.FFFFFFFK";
+
+        private DateTimeStyles _dateTimeStyles = DateTimeStyles.RoundtripKind;
+        private string? _dateTimeFormat;
+        private CultureInfo? _culture;
+
+        public DateTimeStyles DateTimeStyles
+        {
+                get => _dateTimeStyles;
+                set => _dateTimeStyles = value;
+        }
+
+        public string? DateTimeFormat
+        {
+                get => _dateTimeFormat ?? string.Empty;
+                set => _dateTimeFormat = (string.IsNullOrEmpty(value)) ? null : value;
+        }
+
+        public CultureInfo Culture
+        {
+                get => _culture ?? CultureInfo.CurrentCulture;
+                set => _culture = value;
+        }
+
+        public override void Write(Utf8JsonWriter writer, DateTimeOffset value, JsonSerializerOptions options)
+        {
+                string text;
+
+
+                if ((_dateTimeStyles & DateTimeStyles.AdjustToUniversal) == DateTimeStyles.AdjustToUniversal
+                        || (_dateTimeStyles & DateTimeStyles.AssumeUniversal) == DateTimeStyles.AssumeUniversal)
+                {
+                        value = value.ToUniversalTime();
+                }
+
+                text = value.ToString(_dateTimeFormat ?? DefaultDateTimeFormat, Culture);
+
+                writer.WriteStringValue(text);
+        }
+
+        public override DateTimeOffset Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+                string? dateText = reader.GetString();
+
+                if (string.IsNullOrEmpty(dateText) == false)
+                {
+                        if (!string.IsNullOrEmpty(_dateTimeFormat))
+                        {
+                                return DateTimeOffset.ParseExact(dateText, _dateTimeFormat, Culture, _dateTimeStyles);
+                        }
+                        else
+                        {
+                                return DateTimeOffset.Parse(dateText, Culture, _dateTimeStyles);
+                        }
+                }
+                else
+                {
+                        return default(DateTimeOffset);
+                }
+        }
+
+
+        public static readonly IsoDateTimeOffsetConverter Singleton = new IsoDateTimeOffsetConverter();
+    }
+}
+#pragma warning restore CS8618
+#pragma warning restore CS8601
+#pragma warning restore CS8602
+#pragma warning restore CS8603