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# RPCParam

A parameter value for a JSON-RPC request.

```
enum RPCParam
```

## Overview

RPC params are flat arrays of primitives. Complex params (e.g.,
`createrawtransaction` inputs/outputs) use dedicated `Encodable` structs
via `.encodable`. Not `Equatable` — `.encodable` carries an existential.
Test assertions should compare encoded `Data` output instead.