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 SYNOPSISconst bson_t * mongoc_server_description_hello_response ( PARAMETERS
 DESCRIPTIONThe client or client pool periodically runs a "hello" command on each server, to update its view of the MongoDB deployment. Use mongoc_client_get_server_descriptions() and mongoc_server_description_hello_response() to get the most recent "hello" response. RETURNSA reference to a BSON document, owned by the server description. The document is empty if the driver is not connected to the server. AUTHORMongoDB, Inc COPYRIGHT2009-present, MongoDB, Inc. 
 
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