mongoc_topology_description_t man page

typedef struct _mongoc_topology_description_t mongoc_topology_description_t;

mongoc_topology_description_t is an opaque type representing the driver's knowledge of the MongoDB server or servers it is connected to. Its API conforms to the SDAM Monitoring Specification.

Applications receive a temporary reference to a mongoc_topology_description_t as a parameter to an SDAM Monitoring callback. See Introduction to Application Performance Monitoring.

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