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# nw_protocol_definition_t

The abstract superclass for identifying a network protocol.

```
typealias nw_protocol_definition_t = any OS_nw_protocol_definition
```

## Topics

### Comparing Protocols

[`nw_protocol_definition_is_equal(_:_:)`](/documentation/Network/nw_protocol_definition_is_equal(_:_:))

Compares two protocol definitions, and returns true if they represent the same protocol implementation.


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