1 files changed, 48 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/Diagnostics/SymbolStore/ISymDocument.cs b/src/mscorlib/src/System/Diagnostics/SymbolStore/ISymDocument.cs
new file mode 100644
index 0000000000..c458b8e8a9
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+++ b/src/mscorlib/src/System/Diagnostics/SymbolStore/ISymDocument.cs
@@ -0,0 +1,48 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+/*============================================================
+**
+**
+**
+** Represents a document referenced by a symbol store. A document is
+** defined by a URL and a document type GUID. Using the document type
+** GUID and the URL, one can locate the document however it is
+** stored. Document source can optionally be stored in the symbol
+** store. This interface also provides access to that source if it is
+** present.
+**
+** 
+===========================================================*/
+namespace System.Diagnostics.SymbolStore {
+    
+    using System;
+    
+    // Interface does not need to be marked with the serializable attribute
+[System.Runtime.InteropServices.ComVisible(true)]
+    public interface ISymbolDocument
+    {
+        // Properties of the document.
+        String URL { get; }
+        Guid DocumentType { get; }
+    
+        // Language of the document.
+        Guid Language { get; }
+        Guid LanguageVendor { get; }
+    
+        // Check sum information.
+        Guid CheckSumAlgorithmId { get; }
+        byte[] GetCheckSum();
+    
+        // Given a line in this document that may or may not be a sequence
+        // point, return the closest line that is a sequence point.
+        int FindClosestLine(int line);
+        
+        // Access to embedded source.
+        bool HasEmbeddedSource { get; }
+        int SourceLength { get; }
+        byte[] GetSourceRange(int startLine, int startColumn,
+                                      int endLine, int endColumn);
+    }
+}