class BaseModel:
    def model_dump(self, *a, **k): return {}
    def model_dump_json(self, *a, **k): return "{}"
class ValidationError(Exception): ...
def Field(default=None, **kwargs): ...
class SecretStr(str):
    def get_secret_value(self): return self
def field_validator(*a, **k):
    def deco(fn): return fn
    return deco
def model_validator(*a, **k):
    def deco(fn): return fn
    return deco
ConfigDict = dict