from pydantic._internal._utils import lenient_issubclass as lenient_issubclass
from pydantic.fields import FieldInfo as FieldInfo
from pydantic.json_schema import GenerateJsonSchema as GenerateJsonSchema
from pydantic.json_schema import JsonSchemaValue as JsonSchemaValue
from pydantic_core import CoreSchema as CoreSchema
from pydantic_core import PydanticUndefined, PydanticUndefinedType