Committed everything

Unity/Alternate Genre Jam/Assets/Ink/InkLibs/InkCompiler/ParsedHierarchy/ExternalDeclaration.cs

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+using System;
+using System.Collections.Generic;
+
+namespace Ink.Parsed
+{
+    public class ExternalDeclaration : Parsed.Object, INamedContent
+    {
+        public string name
+        {
+            get { return identifier?.name; }
+        }
+        public Identifier identifier { get; set; }
+        public List<string> argumentNames { get; set; }
+
+        public ExternalDeclaration (Identifier identifier, List<string> argumentNames)
+        {
+            this.identifier = identifier;
+            this.argumentNames = argumentNames;
+        }
+
+        public override Ink.Runtime.Object GenerateRuntimeObject ()
+        {
+            story.AddExternal (this);
+
+            // No runtime code exists for an external, only metadata
+            return null;
+        }
+    }
+}
+