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s/Classes for handling failovers for server URLs.i����NtbaseFailOverMethodcBsJeZdZd�Zdd�Zd�Zdd�Zd�Zd�Z RS( s_A base class to provide a failover to switch to a new server if
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roundRobincBs#eZdZd�Zdd�ZRS(sjA class to provide a failover to switch to a new server
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