keras/src/activations/activations.py/ReLU/__init__
class ReLU:    def __init__(
        self, negative_slope=0.0, max_value=None, threshold=0.0, name=None
    ):
        super().__init__(name=name)
        self.negative_slope = negative_slope
        self.max_value = max_value
        self.threshold = threshold