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|   | authentication-control.h | 
|   | Allows a client session to authenticate the credentials of other sessions, and optionally revoke such authentications. 
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|   | client-control.h | 
|   | Allows access to other sessions' properties and related operations for session management. 
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|   | messaging.h | 
|   | Provides a client session with request-response messaging capabilities that can be used to implement application services. 
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|   | metrics.h | 
|   | Allows a client to configure metric collectors. 
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|   | pings.h | 
|   | Allows pinging the Diffusion server and other sessions. 
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|   | remote-servers.h | 
|   | This feature allows a client session to manage remote servers. 
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|   | security-control.h | 
|   | Allows the update of the Server security store, which controls roles and path permissions. 
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|   | security.h | 
|   | Security feature. 
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|   | session-trees.h | 
|   | Allows a client session to configure session trees. 
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|   | subscription-control.h | 
|   | This feature allows a session to subscribe or unsubscribe other sessions to topics, on a single server or across a cluster. 
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|   | system-authentication-control.h | 
|   | Allows the update of the Server system authentication store, which controls principals and trusted proposed session properties. 
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|   | time-series.h | 
|   | Allows update and query of time series topics. 
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|   | topic-control.h | 
|   | Allows the creation and removal of topics and notification of missing topics. 
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|   | topic-notifications.h | 
|   | Allows a client session to receive notifications about changes to selected topics. 
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|   | topic-update.h | 
|   | Provides a client session with the ability to update topics. 
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|   | topic-views.h | 
|   | Allows a client session to manage topic views. 
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|   | topics.h | 
|   | Subscription to topics and fetching topic data. 
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