# This file was auto-generated by Fern from our API Definition.

import typing

import pydantic
from ..core.pydantic_utilities import IS_PYDANTIC_V2, UniversalBaseModel
from .chunk_content_item import ChunkContentItem


class Chunk(UniversalBaseModel):
    """
    A chunk of content to extract data from.
    """

    chunk_id: str
    content: typing.List[ChunkContentItem]
    metadata: typing.Optional[typing.Dict[str, typing.Optional[str]]] = None

    if IS_PYDANTIC_V2:
        model_config: typing.ClassVar[pydantic.ConfigDict] = pydantic.ConfigDict(extra="allow", frozen=True)  # type: ignore # Pydantic v2
    else:

        class Config:
            frozen = True
            smart_union = True
            extra = pydantic.Extra.allow
