This class represents the CODEC for the composite data representing a OSGi BlueprintEvent
It serves as both the documentation of the type structure and as the codification of the mechanism to convert to/from the CompositeData.
The structure of the composite data is:
| bundleId | long |
| extenderBundleId | long |
| eventType | int |
| replay | boolean |
| timestamp | long |
| dependencies | String[] |
| exceptionMessage | String |
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