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diff --git a/bundles/org.eclipse.equinox.p2.director/src/org/eclipse/equinox/internal/provisional/p2/director/IPlanner.java b/bundles/org.eclipse.equinox.p2.director/src/org/eclipse/equinox/internal/provisional/p2/director/IPlanner.java
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index 000000000..25961d2d4
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+++ b/bundles/org.eclipse.equinox.p2.director/src/org/eclipse/equinox/internal/provisional/p2/director/IPlanner.java
@@ -0,0 +1,29 @@
+/*******************************************************************************
+ * Copyright (c) 2007 IBM Corporation and others. 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: IBM Corporation - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.equinox.internal.provisional.p2.director;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.equinox.internal.provisional.p2.engine.ProvisioningContext;
+import org.eclipse.equinox.internal.provisional.p2.metadata.IInstallableUnit;
+
+/**
+ * Planners are responsible for determining what should be done to a given 
+ * profile to reshape it as requested. That is, given the current state of a 
+ * profile, a description of the desired end state of that profile and metadata 
+ * describing the available IUs, a planner produces a plan that lists the
+ * provisioning operands that the engine should perform.  
+ */
+public interface IPlanner {
+	public ProvisioningPlan getProvisioningPlan(ProfileChangeRequest profileChangeRequest, ProvisioningContext context, IProgressMonitor monitor);
+
+	public ProvisioningPlan getRevertPlan(IInstallableUnit profileSnapshot, ProvisioningContext context, IProgressMonitor monitor);
+
+	public IInstallableUnit[] updatesFor(IInstallableUnit toUpdate, ProvisioningContext context, IProgressMonitor monitor);
+
+}