Contents:
gen_thumb()
rechunk_zarr()
copy_zarr_to_assets_dir()
generate_imageset()
generate_zarr()
find_thumb_idx()
update_file_metadata()
generate_czi_imageset()
VALID_CZI_INPUTS
SITK_COMPRESSION_LVL
THUMB_X_DIM
THUMB_Y_DUM
TILE_SIZE