Variable TurnEndConst

TurnEnd: TaggedStruct<
    "turnEnd",
    {
        error: optional<String>;
        finishReason: Literals<
            readonly [
                "stop",
                "length",
                "content-filter",
                "tool-calls",
                "error",
                "pause",
                "other",
                "unknown",
            ],
        >;
        usage: optional<
            Struct<
                {
                    cacheReadTokens: optional<Number>;
                    cacheWriteTokens: optional<Number>;
                    inputTokens: optional<Number>;
                    outputTokens: optional<Number>;
                },
            >,
        >;
    },
> = ...