traceTriFunction

Wraps a 3-arg [TriFunction] with LangSmith tracing. This is the recommended entry point for Java callers (3-arg). It avoids the overload-resolution ambiguity that can occur with [traceable] when Kotlin function types are on the classpath. Kotlin callers should prefer [traceable] directly.

TraceConfig config = TraceConfig.builder()
    .name("combine3")
    .client(LangsmithOkHttpClient.fromEnv())
    .build();
TriFunction traced =
    Tracing.traceTriFunction((a, b, c) -> a + " " + b + " " + c, config);
String result = traced.apply("a", "b", "c");