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from typing import List, Tuple, Union, Callable, Dict, Optional
from .tree import Tree
from .grammar import RuleOptions
from .exceptions import UnexpectedInput
class Grammar:
rule_defs: List[Tuple[str, Tuple[str, ...], Tree, RuleOptions]]
term_defs: List[Tuple[str, Tuple[Tree, int]]]
ignore: List[str]
class GrammarBuilder:
global_keep_all_tokens: bool
import_paths: List[Union[str, Callable]]
used_files: Dict[str, str]
def __init__(self, global_keep_all_tokens: bool = False, import_paths: List[Union[str, Callable]] = None, used_files: Dict[str, str]=None) -> None: ...
def load_grammar(self, grammar_text: str, grammar_name: str = ..., mangle: Callable[[str], str] = None) -> None: ...
def do_import(self, dotted_path: Tuple[str, ...], base_path: Optional[str], aliases: Dict[str, str],
base_mangle: Callable[[str], str] = None) -> None: ...
def validate(self) -> None: ...
def build(self) -> Grammar: ...
def find_grammar_errors(text: str, start: str='start') -> List[Tuple[UnexpectedInput, str]]: ...
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