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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef IRECIPIENTFILTER_H
+#define IRECIPIENTFILTER_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+//-----------------------------------------------------------------------------
+// Purpose: Generic interface for routing messages to users
+//-----------------------------------------------------------------------------
+class IRecipientFilter
+{
+public:
+ virtual ~IRecipientFilter() {}
+
+ virtual bool IsReliable( void ) const = 0;
+ virtual bool IsInitMessage( void ) const = 0;
+
+ virtual int GetRecipientCount( void ) const = 0;
+ virtual int GetRecipientIndex( int slot ) const = 0;
+};
+
+#endif // IRECIPIENTFILTER_H