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Hey guys. May be a silly question, but are arrays supported in log attributes?
So far with some basic Otel Collector configs (flattening the attributes) best I can get is:

```metadata.arr.0: 1
metadata.arr.1 :2
metadata.arr.2: 3
metadata.someObject.id 123```
thus it the following even possible:

```metadata.arr: [1, 2, 3]
metadata.someObject.id 123```
HyperDx with their default collector config behaves the same way, so curious if this is just OpenTelemetry spec or something. Thanks!