docs: def from_bid(cls, value):
          """Create an instance of :class:`Decimal128` from Binary Integer
          Decimal string.
  
          :Parameters:
            - `value`: 16 byte string (128-bit IEEE 754-2008 decimal floating
              point in Binary Integer Decimal (BID) format).
          """
          if not isinstance(value, bytes):
              raise TypeError("value must be an instance of bytes")
          if len(value) != 16:
              raise ValueError("value must be exactly 16 bytes")
          return cls((_UNPACK_64(value[8:])[0], _UNPACK_64(value[:8])[0]))