Runnable from the list of runnables which are
called when this ILayoutContext is asked to apply all changes
made to its elements to the display, i.e. within ILayoutContext.flushChanges().Runnable from the list of Runnables
which are executed before applying a layout, i.e. before
ILayoutContext.applyLayout(boolean).Copyright (c) 2014 itemis AG and others. All rights reserved.