diff -r 14dc2103a631 -r ed1c9f64298a trace/tracebuilder/com.nokia.tracebuilder/src/com/nokia/tracebuilder/plugin/TraceAPIFormatter.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/trace/tracebuilder/com.nokia.tracebuilder/src/com/nokia/tracebuilder/plugin/TraceAPIFormatter.java	Wed Jun 23 14:35:40 2010 +0300
@@ -0,0 +1,102 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+* Trace API formatter plug-in
+*
+*/
+package com.nokia.tracebuilder.plugin;
+
+/**
+ * Trace API formatter plug-in
+ * 
+ */
+public interface TraceAPIFormatter {
+
+	/**
+	 * Formatting types for traces
+	 * 
+	 */
+	public enum TraceFormatType {
+
+		/**
+		 * Format for normal trace which does not need extension function
+		 */
+		NORMAL_TRACE,
+
+		/**
+		 * Format for calling an extension function from source file
+		 */
+		COMPLEX_TRACE,
+
+		/**
+		 * Format for extension function header
+		 */
+		HEADER,
+
+		/**
+		 * Format for trace buffer function. Added to extension function
+		 * definition if trace contains more data than is supported by the API
+		 */
+		TRACE_BUFFER,
+
+		/**
+		 * Format for trace function if the extension function parameters can be
+		 * packed into normal trace API call. For example, if the extension
+		 * function takes 4 8-bit arguments, they are packed into a single
+		 * 32-bit parameter
+		 */
+		TRACE_PACKED,
+
+		/**
+		 * Format for trace activation check function. Added to extension
+		 * function definition
+		 */
+		TRACE_ACTIVATION,
+
+		/**
+		 * Empty declaration for an extension function header
+		 */
+		EMPTY_MACRO,
+
+		/**
+		 * Include that is added to source
+		 */
+		INCLUDE_FORMAT
+	}
+
+	/**
+	 * Gets the name of this formatter
+	 * 
+	 * @return the name
+	 */
+	public String getName();
+
+	/**
+	 * Gets the title shown in the API selection preferences dialog
+	 * 
+	 * @return the title
+	 */
+	public String getTitle();
+
+	/**
+	 * Gets the trace format based on format type
+	 * 
+	 * @param type
+	 *            the format type
+	 * @return the trace format
+	 */
+	public String getTraceFormat(TraceFormatType type);
+
+}