docs: def getCeilingZoom(self, resolution, unit='meters'):
          """
          Return the maximized zoom level for a given resolution
          Parameters:
              resolution -- max. resolution
              unit -- unit for output (default='meters')
          """
          if resolution in self.RESOLUTIONS:
              return self.getZoom(resolution)
          lo, hi = self._getZoomLevelRange(resolution, unit)
          if lo == 0 or lo == hi:
              return lo
          if hi == len(self.RESOLUTIONS):
              return hi - 1
          return lo + 1