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diff --git a/indra/llcorehttp/httpheaders.h b/indra/llcorehttp/httpheaders.h
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+/**
+ * @file httpheaders.h
+ * @brief Public-facing declarations for the HttpHeaders class
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef	_LLCORE_HTTP_HEADERS_H_
+#define	_LLCORE_HTTP_HEADERS_H_
+
+
+#include <string>
+
+#include "_refcounted.h"
+
+
+namespace LLCore
+{
+
+///
+/// Maintains an ordered list of name/value pairs representing
+/// HTTP header lines.  This is used both to provide additional
+/// headers when making HTTP requests and in responses when the
+/// caller has asked that headers be returned (not the default
+/// option).
+///
+/// @note
+/// This is a minimally-functional placeholder at the moment
+/// to fill out the class hierarchy.  The final class will be
+/// something else, probably more pair-oriented.  It's also
+/// an area where shared values are desirable so refcounting is
+/// already specced and a copy-on-write scheme imagined.
+/// Expect changes here.
+///
+/// Threading:  Not intrinsically thread-safe.  It *is* expected
+/// that callers will build these objects and then share them
+/// via reference counting with the worker thread.  The implication
+/// is that once an HttpHeader instance is handed to a request,
+/// the object must be treated as read-only.
+///
+/// Allocation:  Refcounted, heap only.  Caller of the
+/// constructor is given a refcount.
+///
+
+class HttpHeaders : public LLCoreInt::RefCounted
+{
+public:
+	/// @post In addition to the instance, caller has a refcount
+	/// to the instance.  A call to @see release() will destroy
+	/// the instance.
+	HttpHeaders();
+
+protected:
+	virtual ~HttpHeaders();						// Use release()
+
+	HttpHeaders(const HttpHeaders &);			// Not defined
+	void operator=(const HttpHeaders &);		// Not defined
+
+public:
+	typedef std::vector<std::string> container_t;
+	container_t			mHeaders;
+	
+}; // end class HttpHeaders
+
+}  // end namespace LLCore
+
+
+#endif	// _LLCORE_HTTP_HEADERS_H_