+/*******************************************************************************
+ * Copyright (c) 2015 Ericsson
+ *
+ * All rights reserved. This program and the accompanying materials are
+ * made available under the terms of the Eclipse Public License v1.0 which
+ * accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * Patrick Tasse - Initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.tracecompass.tmf.core.resources;
+
+/**
+ * Interface for TMF-specific marker constants
+ *
+ * @noimplement This interface is not intended to be implemented by clients.
+ * @since 2.0
+ */
+public interface ITmfMarker {
+
+ /** Color marker attribute. The format is the output of RGBA.toString(). */
+ String MARKER_COLOR = "color"; //$NON-NLS-1$
+
+ /** Rank marker attribute. The format is the output of Long.toString(). */
+ String MARKER_RANK = "rank"; //$NON-NLS-1$
+
+ /** Time marker attribute. The format is the output of Long.toString(). */
+ String MARKER_TIME = "time"; //$NON-NLS-1$
+
+ /** Duration marker attribute. The format is the output of Long.toString(). */
+ String MARKER_DURATION = "duration"; //$NON-NLS-1$
+
+}