prefetchKeyPathsTableLayoutData.heightHint = 100;
myPrefetchKeyPathsTableViewer.getTable().setLayoutData(prefetchKeyPathsTableLayoutData);
myPrefetchKeyPathsTableViewer.addSelectionChangedListener(this);
myPrefetchKeyPathsChangedRefresher = new TableRefreshPropertyListener("PrefetchKeyPathsChanged", myPrefetchKeyPathsTableViewer);
myAddRemoveButtonGroup = new AddRemoveButtonGroup(topForm, new AddPrefetchKeyPathHandler(), new RemovePrefetchKeyPathHandler());
myAddRemoveButtonGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
}