public void clearAll(String viewId, boolean reset) {
            clearAll(viewId, reset, null);
        }
Removes all multiViewState in specific view within the current session.

@param viewId viewId in which multiview state should be cleared
@param reset indicates whether or not the component should be reset, if it is in the current view
primefaces/src/main/java/org/primefaces/PrimeFaces.java