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# DurationProtocol

A type that defines a duration for a given `InstantProtocol` type.

```
protocol DurationProtocol : AdditiveArithmetic, Comparable, Sendable
```

## Relationships

### Inherits From

[`Comparable`](/documentation/Swift/Comparable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Sendable`](/documentation/Swift/Sendable)

[`AdditiveArithmetic`](/documentation/Swift/AdditiveArithmetic)

[`Equatable`](/documentation/Swift/Equatable)

### Conforming Types

[`Duration`](/documentation/Swift/Duration)

---

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