Add skeleton BYOND implementation

src/Tgstation.Server.Host/Components/Byond.cs

@@ -0,0 +1,63 @@
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using Tgstation.Server.Host.IO;
+
+namespace Tgstation.Server.Host.Components
+{
+	/// <inheritdoc />
+	sealed class Byond : IByond
+	{
+		/// <summary>
+		/// The <see cref="IIOManager"/> for <see cref="Byond"/>
+		/// </summary>
+		readonly IIOManager ioManager;
+
+		/// <summary>
+		/// The <see cref="ILogger"/> for <see cref="Byond"/>
+		/// </summary>
+		readonly ILogger<Byond> logger;
+
+		/// <summary>
+		/// List of installed BYOND <see cref="Version"/>s
+		/// </summary>
+		readonly List<Version> installedVersions;
+
+		/// <summary>
+		/// Construct <see cref="Byond"/>
+		/// </summary>
+		/// <param name="ioManager">The value of <see cref="ioManager"/></param>
+		/// <param name="logger">The value of <see cref="logger"/></param>
+		public Byond(IIOManager ioManager, ILogger<Byond> logger)
+		{
+			this.ioManager = ioManager ?? throw new ArgumentNullException(nameof(ioManager));
+			this.logger = logger ?? throw new ArgumentNullException(nameof(logger));
+		}
+
+		/// <inheritdoc />
+		public Task ChangeVersion(Version version, CancellationToken cancellationToken)
+		{
+			throw new NotImplementedException();
+		}
+
+		/// <inheritdoc />
+		public Task ClearCache(CancellationToken cancellationToken)
+		{
+			throw new NotImplementedException();
+		}
+
+		/// <inheritdoc />
+		public Task<Version> GetVersion(CancellationToken cancellationToken)
+		{
+			throw new NotImplementedException();
+		}
+
+		/// <inheritdoc />
+		public IByondExecutableLock UseExecutables(Version requiredVersion)
+		{
+			throw new NotImplementedException();
+		}
+	}
+}