|  | Diffusion C API 6.12.0
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| Data Fields | |
| HASH_T * | system_principals | 
| A hash map of the server's principals mapped against SYSTEM_PRINCIPAL_T as its value. | |
| ANONYMOUS_CONNECTION_ACTION_T | anonymous_connection_action | 
| The action to be taken for anonymous connection attempts. | |
| SET_T * | anon_roles | 
| The roles that the system authentication handler will assign to anonymous sessions. | |