def encode_variables(ds: Dataset, chunk_length: int, chunk_width: int, compressor: Optional[Any]=zarr.Blosc(cname='zstd', clevel=7, shuffle=2), probability_dtype: Optional[Any]='uint8') -> Dict[(Hashable, Dict[(str, Any)])]:
    encoding = {}
    for v in ds:
        e = {}
        if (compressor is not None):
            e.update({'compressor': compressor})
        if (v in GT_DATA_VARS):
            e.update({'chunks': ((chunk_length, chunk_width) + ds[v].shape[2:])})
        if ((probability_dtype is not None) and (v == 'call_genotype_probability')):
            dtype = np.dtype(probability_dtype)
            if (dtype not in [np.uint8, np.uint16]):
                raise ValueError(f'Probability integer dtype invalid, must be uint8 or uint16 not {probability_dtype}')
            divisor = (np.iinfo(dtype).max - 1)
            e.update({'dtype': probability_dtype, 'add_offset': ((- 1.0) / divisor), 'scale_factor': (1.0 / divisor), '_FillValue': 0})
        if e:
            encoding[v] = e
    return encoding
def encode_variables(ds: Dataset, chunk_length: int, chunk_width: int, compressor: Optional[Any]=zarr.Blosc(cname='zstd', clevel=7, shuffle=2), probability_dtype: Optional[Any]='uint8') -> Dict[(Hashable, Dict[(str, Any)])]:
    encoding = {}
    for v in ds:
        e = {}
        if (compressor is not None):
            e.update({'compressor': compressor})
        if (v in GT_DATA_VARS):
            e.update({'chunks': ((chunk_length, chunk_width) + ds[v].shape[2:])})
        if ((probability_dtype is not None) and (v == 'call_genotype_probability')):
            dtype = np.dtype(probability_dtype)
            if (dtype not in [np.uint8, np.uint16]):
                raise ValueError(f'Probability integer dtype invalid, must be uint8 or uint16 not {probability_dtype}')
            divisor = (np.iinfo(dtype).max - 1)
            e.update({'dtype': probability_dtype, 'add_offset': ((- 1.0) / divisor), 'scale_factor': (1.0 / divisor), '_FillValue': 0})
        if e:
            encoding[v] = e
    return encoding