Type Alias StreamChunk

StreamChunk:
    | StreamEventBase & { delta: string; type: "text-delta" }
    | StreamEventBase & { id: string; name: string; type: "tool-call-start" }
    | StreamEventBase & {
        argsDelta: string;
        id: string;
        type: "tool-call-delta";
    }
    | StreamEventBase & {
        args: JsonObject;
        id: string;
        name: string;
        type: "tool-call-arguments";
    }
    | StreamEventBase & {
        id: string;
        isError?: boolean;
        name: string;
        result: JsonValue;
        type: "tool-call-result";
    }
    | StreamEventBase & {
        finishReason: CanonicalFinishReason;
        type: "done";
        usage: UsageMetrics;
    }
    | StreamEventBase & { error: Error; type: "error" }
    | StreamEventBase & {
        model: string;
        provider: CanonicalProvider;
        type: "response-start";
    }
    | StreamEventBase & { type: "reasoning-start" }
    | StreamEventBase & { delta: string; type: "reasoning-delta" }
    | StreamEventBase & { type: "reasoning-end" }
    | StreamEventBase & { type: "usage-update"; usage: UsageMetrics }
    | StreamEventBase & { attempt: number; error?: Error; type: "retry" }
    | StreamEventBase & {
        status: "refusal" | "structured-output";
        type: "response-status";
    }