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# Dictionary key for credential removal options

Key used by the options dictionary passed in [`remove(_:for:options:)`](/documentation/Foundation/URLCredentialStorage/remove(_:for:options:)).

## Topics

### Options

[`NSURLCredentialStorageRemoveSynchronizableCredentials`](/documentation/Foundation/NSURLCredentialStorageRemoveSynchronizableCredentials)

The corresponding value is an `NSNumber` object representing a Boolean value that indicates whether credentials which contain the [`URLCredential.Persistence.synchronizable`](/documentation/Foundation/URLCredential/Persistence-swift.enum/synchronizable) attribute should be removed.


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