# 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 .task_message import TaskMessage
from .task_message_delta import TaskMessageDelta


class StreamTaskMessageDelta(UniversalBaseModel):
    """
    Event for streaming chunks of content
    """

    delta: typing.Optional[TaskMessageDelta] = None
    index: typing.Optional[int] = None
    parent_task_message: typing.Optional[TaskMessage] = 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
