Arize Phoenix TS
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    anthropicMessagePartSchema: ZodDiscriminatedUnion<
        [
            ZodObject<{ text: ZodString; type: ZodLiteral<"text"> }, $strip>,
            ZodObject<
                {
                    source: ZodObject<
                        {
                            data: ZodString;
                            media_type: ZodEnum<
                                {
                                    "image/gif": "image/gif";
                                    "image/jpeg": "image/jpeg";
                                    "image/png": "image/png";
                                    "image/webp": "image/webp";
                                },
                            >;
                            type: ZodLiteral<"base64">;
                        },
                        $strip,
                    >;
                    type: ZodLiteral<"image">;
                },
                $strip,
            >,
            ZodObject<
                {
                    id: ZodString;
                    input: ZodType<
                        JSONLiteral,
                        unknown,
                        $ZodTypeInternals<JSONLiteral, unknown>,
                    >;
                    name: ZodString;
                    type: ZodLiteral<"tool_use">;
                },
                $strip,
            >,
            ZodObject<
                {
                    content: ZodUnion<
                        readonly [
                            ZodString,
                            ZodArray<
                                ZodUnion<
                                    readonly [
                                        ZodObject<{ text: ...; type: ... }, $strip>,
                                        ZodObject<{ source: ...; type: ... }, $strip>,
                                    ],
                                >,
                            >,
                        ],
                    >;
                    is_error: ZodOptional<ZodBoolean>;
                    tool_use_id: ZodString;
                    type: ZodLiteral<"tool_result">;
                },
                $strip,
            >,
        ],
        "type",
    > = ...