1{ 2 "topology_description": { 3 "type": "LoadBalanced", 4 "servers": [ 5 { 6 "address": "g:27017", 7 "avg_rtt_ms": 0, 8 "type": "LoadBalancer" 9 } 10 ] 11 }, 12 "operation": "read", 13 "read_preference": { 14 "mode": "Primary" 15 }, 16 "suitable_servers": [ 17 { 18 "address": "g:27017", 19 "avg_rtt_ms": 0, 20 "type": "LoadBalancer" 21 } 22 ], 23 "in_latency_window": [ 24 { 25 "address": "g:27017", 26 "avg_rtt_ms": 0, 27 "type": "LoadBalancer" 28 } 29 ] 30}