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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
namespace config {
class ConfigSubscription;
struct CancelHandler
{
/**
* Cancels this subscription. Once this operation is done, the handler
* should have no knowledge of the subscription representing this id.
*
* @param subscription ConfigSubscription to cancel
*/
virtual void unsubscribe(const ConfigSubscription & subscription) = 0;
virtual ~CancelHandler() = default;
};
}
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