@abstractmethod
    def preferred_height(self, cli, width, max_available_height):
Sets the validator on the named control.
dataset/ETHPy150Open jonathanslenders/python-prompt-toolkit/prompt_toolkit/layout/containers.py/Container.preferred_height--crossover with--dataset/ETHPy150Open enthought/pyface/pyface/xrc_dialog.py/XrcDialog.set_validator