Restructured the project structure back to the way it was, there's no reasonable way to split the modules

src/NadekoBot/Modules/Utility/_common/ConvertUnit.cs

@@ -0,0 +1,12 @@
+#nullable disable
+using System.Diagnostics;
+
+namespace NadekoBot.Modules.Utility.Common;
+
+[DebuggerDisplay("Type: {UnitType} Trigger: {Triggers[0]} Mod: {Modifier}")]
+public class ConvertUnit
+{
+    public string[] Triggers { get; set; }
+    public string UnitType { get; set; }
+    public decimal Modifier { get; set; }
+}

src/NadekoBot/Modules/Utility/_common/EvalGlobals.cs

@@ -0,0 +1,13 @@
+// ReSharper disable InconsistentNaming
+#nullable disable
+namespace NadekoBot.Modules.Utility;
+
+public class EvalGlobals
+{
+    public ICommandContext ctx;
+    public Utility self;
+    public IUser user;
+    public IMessageChannel channel;
+    public IGuild guild;
+    public IServiceProvider services;
+}

src/NadekoBot/Modules/Utility/_common/Exceptions/StreamRoleNotFoundException.cs

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+#nullable disable
+namespace NadekoBot.Modules.Utility.Common.Exceptions;
+
+public class StreamRoleNotFoundException : Exception
+{
+    public StreamRoleNotFoundException()
+        : base("Stream role wasn't found.")
+    {
+    }
+
+    public StreamRoleNotFoundException(string message)
+        : base(message)
+    {
+    }
+
+    public StreamRoleNotFoundException(string message, Exception innerException)
+        : base(message, innerException)
+    {
+    }
+}

src/NadekoBot/Modules/Utility/_common/Exceptions/StreamRolePermissionException.cs

@@ -0,0 +1,20 @@
+#nullable disable
+namespace NadekoBot.Modules.Utility.Common.Exceptions;
+
+public class StreamRolePermissionException : Exception
+{
+    public StreamRolePermissionException()
+        : base("Stream role was unable to be applied.")
+    {
+    }
+
+    public StreamRolePermissionException(string message)
+        : base(message)
+    {
+    }
+
+    public StreamRolePermissionException(string message, Exception innerException)
+        : base(message, innerException)
+    {
+    }
+}

src/NadekoBot/Modules/Utility/_common/StreamRoleListType.cs

@@ -0,0 +1,8 @@
+#nullable disable
+namespace NadekoBot.Modules.Utility.Common;
+
+public enum StreamRoleListType
+{
+    Whitelist,
+    Blacklist
+}