text: from .AnyTreeAscendingIter import AnyTreeAscendingIter
  from .bit_ceil import bit_ceil
  from .bit_floor import bit_floor
  from .is_nondecreasing import is_nondecreasing
  from .is_nonincreasing import is_nonincreasing
  
  # adapted from https://stackoverflow.com/a/31079085
  __all__ = [
      'AnyTreeAscendingIter',
      'bit_ceil',
      'bit_floor',
      'is_nondecreasing',
      'is_nonincreasing',
  ]
  