Enumerates the singleton policies supported by this subsystem. Defines a singleton policy Identifies the default singleton deployment policy of the server. Defines a election policy that chooses a random member on which a given application will be deployed. Defines a election policy that chooses a specific member (indicated by position) on which a given application will be deployed. The name of this singleton policy. Identifies the cache-container used to back the singleton deployment policy. Identifies the cache within the given cache container used to back the singleton deployment policy. If undefined, the default-cache of the specified cache container will be used. Defines the minimum number of group members required before a singleton election will run. Indicates the index of the node to be elected from a list of candidates sorted by descending age. 0 would indicate the oldest node, 1 the second oldest, etc. Whereas -1 indicates the youngest node, -2 the second youngest, etc. If the specified position exceeds the number of candidates, a modulus operation is applied. Defines an order list of nodes, identified by name, to which to prefer when electing a new singleton provider. Defines an order list of nodes, identified by outbound socket binding, to which to prefer when electing a new singleton provider.