* A customized version of [ConversationState](https://docs.microsoft.com/en-us/javascript/api/botbuilder-core/conversationstate?view=botbuilder-ts-latest) that overide the [getStorageKey](#getStorageKey) method to create a more complex key value.
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* This allows Botkit to automatically track conversation state in scenarios where multiple users are present in a single channel,
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* or when threads or sub-channels parent channel that would normally collide based on the information defined in the conversation address field.
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* Note: This is used automatically inside Botkit and developers should not need to directly interact with it.