../../../eclipse.platform.ui/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java:76: error: package org.eclipse.e4.ui.workbench.addons.minmax does not exist
import org.eclipse.e4.ui.workbench.addons.minmax.TrimStack;
                                                ^
1 warning