@Override
    public void removeTextChangeListener(TextChangeListener listener)
    {
        if (listener == null) throw new IllegalArgumentException("Cannot remove a null listener");

        textListeners.remove(listener);
    }
Create empty content for a StyledText of the specified size

@param numberOfLines
@param numberOfColumns
plugins/org.jkiss.dbeaver.ui.editors.hex/src/org/jkiss/dbeaver/ui/editors/binary/DisplayedContent.java