keras/src/ops/nn.py/SeparableConv/__init__
class SeparableConv:    def __init__(
        self,
        strides=1,
        padding="valid",
        data_format=None,
        dilation_rate=1,
    ):
        super().__init__()
        self.strides = strides
        self.padding = padding.lower()
        self.data_format = data_format
        self.dilation_rate = dilation_rate