def METHOD_NAME(json_string, custom_objects=None):
    """Parses a JSON model configuration string and returns a model instance.
    Usage:
    >>> model = tf.keras.Sequential([
    ...     tf.keras.layers.Dense(5, input_shape=(3,)),
    ...     tf.keras.layers.Softmax()])
    >>> config = model.to_json()
    >>> loaded_model = tf.keras.models.model_from_json(config)
    Args:
        json_string: JSON string encoding a model configuration.
        custom_objects: Optional dictionary mapping names
            (strings) to custom classes or functions to be
            considered during deserialization.
    Returns:
        A Keras model instance (uncompiled).
    """
    from keras.layers import (
        deserialize_from_json,
    )
    return deserialize_from_json(json_string, custom_objects=custom_objects)