Arize Phoenix TS
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    vercelAIChatPartSchema: ZodDiscriminatedUnion<
        [
            ZodObject<{ text: ZodString; type: ZodLiteral<"text"> }, $strip>,
            ZodObject<
                {
                    image: ZodString;
                    mimeType: ZodOptional<ZodString>;
                    type: ZodLiteral<"image">;
                },
                $strip,
            >,
            ZodObject<
                {
                    input: ZodType<
                        JSONLiteral,
                        unknown,
                        $ZodTypeInternals<JSONLiteral, unknown>,
                    >;
                    toolCallId: ZodString;
                    toolName: ZodString;
                    type: ZodLiteral<"tool-call">;
                },
                $strip,
            >,
            ZodObject<
                {
                    output: ZodObject<
                        { type: ZodLiteral<"text">; value: ZodString },
                        $strip,
                    >;
                    toolCallId: ZodString;
                    toolName: ZodString;
                    type: ZodLiteral<"tool-result">;
                },
                $strip,
            >,
        ],
        "type",
    > = ...