def METHOD_NAME(self, data, ttFont):
    super().METHOD_NAME(data, ttFont)
    assert self.table.Version >= 0x00010000
    self.majorVersion = self.table.Version >> 16
    self.minorVersion = self.table.Version & 0xFFFF
    axisTags = [axis.axisTag for axis in ttFont["fvar"].axes]
    for axis in axisTags:
        self.segments[axis] = {}
    for axis, segmentMap in zip(axisTags, self.table.AxisSegmentMap):
        segments = self.segments[axis] = {}
        for segment in segmentMap.AxisValueMap:
            segments[segment.FromCoordinate] = segment.ToCoordinate