const go.opentelemetry.io/otel/attribute.INVALID

3 uses

	go.opentelemetry.io/otel/attribute (current package)
		kv.go#L29: 	return kv.Key.Defined() && kv.Value.Type() != INVALID
		type_string.go#L11: 	_ = x[INVALID-0]
		value.go#L42: 	INVALID Type = iota