






"""simple docstring"""



from __future__ import annotations

from dataclasses import dataclass





@dataclass
class 					_UpperCAmelCase       :
					SCREAMING_SNAKE_CASE_		:				float
					SCREAMING_SNAKE_CASE_		:				TreeNode | None							    =   None
					SCREAMING_SNAKE_CASE_		:				TreeNode | None							    =   None



def 						lowercase    (				__snake_case				: TreeNode | None	):

		# Validation
		def is_valid_tree(__snake_case				: TreeNode | None	) -> bool:
				if node is None:
						return True

				if not isinstance(__snake_case		,					__snake_case	):
						return False

				try:
						float(node.data	)
				except (TypeError, ValueError):
						return False

				return is_valid_tree(node.left	) and is_valid_tree(node.right	)

		if not is_valid_tree(__snake_case	):
				raise ValueError(
				    '''Each node should be type of TreeNode and data should be float.'''	)

		def is_binary_search_tree_recursive_check(
		    __snake_case				: TreeNode | None		,					__snake_case				: float		,					__snake_case				: float	) -> bool:

				if node is None:
						return True

				return (
				    left_bound < node.data < right_bound
				    and is_binary_search_tree_recursive_check(node.left		,					__snake_case		,					node.data	)
				    and is_binary_search_tree_recursive_check(
				        node.right		,					node.data		,					__snake_case	)
				)

		return is_binary_search_tree_recursive_check(__snake_case		,					-float('''inf'''	)		,					float('''inf'''	)	)


if __name__ == "__main__":
						import doctest

						doctest.testmod()











"""simple docstring"""



from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_sentencepiece_available,
    is_tokenizers_available,
    is_torch_available,
)


__A		:       Union[str, Any]  				=		{}

try:
						if not is_sentencepiece_available():
												raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
						pass
else:
						__A		:       Dict  				=		['''NllbTokenizer''']

try:
						if not is_tokenizers_available():
												raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
						pass
else:
						__A		:       Dict  				=		['''NllbTokenizerFast''']


if TYPE_CHECKING:
						try:
												if not is_sentencepiece_available():
																		raise OptionalDependencyNotAvailable()
						except OptionalDependencyNotAvailable:
												pass
						else:
												from .tokenization_nllb import NllbTokenizer

						try:
												if not is_tokenizers_available():
																		raise OptionalDependencyNotAvailable()
						except OptionalDependencyNotAvailable:
												pass
						else:
												from .tokenization_nllb_fast import NllbTokenizerFast

else:
						import sys

						__A		:       List[Any]  				=		_LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)



