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from __future__ import annotations

from pydantic import Field

from airflow.api_fastapi.core_api.base import StrictBaseModel


class VariableResponse(StrictBaseModel):
    """Variable schema for responses with fields that are needed for Runtime."""

    key: str
    val: str | None = Field(alias="value")


class VariablePostBody(StrictBaseModel):
    """Request body schema for creating variables."""

    value: str | None = Field(alias="val")
    description: str | None = Field(default=None)


class VariableKeysResponse(StrictBaseModel):
    """Variable keys schema for list responses."""

    keys: list[str]
    total_entries: int
