import {EncryptedClient} from "jstests/fle2/libs/encrypted_client_util.js"; function runTest(conn) {     let dbName = 'basic_update';     let client = new EncryptedClient(conn, dbName);     let edb = client.getDB();     assert.commandWorked(client.createEncryptionCollection("basic", {         encryptedFields:             {"fields": [{"path": "first", "bsonType": "string", "queries": {"queryType": "equality"}}] }     }));     let resShard = edb.adminCommand({enableSharding: edb.getName()});     // enableSharding may only be called once for a database.     if (resShard.code !== ErrorCodes.AlreadyInitialized) {         assert.commandWorked(             resShard, "enabling sharding on the '" + edb.getName() + "' db failed");     }     let shardCollCmd = {         shardCollection: edb.getName() + ".basic",         key: \{_id: "hashed"} ,         collation: {locale: "simple"}     };     resShard = edb.adminCommand(shardCollCmd);     jsTestLog("Sharding: " + tojson(shardCollCmd));     assert.commandWorked(edb.basic.insert({"_id": 1, "first": "mark", "last": "marco"}));     assert.commandWorked(edb.basic.insert({"_id": 2, "first": "Mark", "last": "Marcus"}));     // Add a document via upsert     res = assert.commandWorked(edb.basic.runCommand({         update: edb.basic.getName(),         updates: [{q: {"last": "Marco"} , u: {"last": "Marco", "first": "Luke"}, upsert: true}]     })); } jsTestLog("Sharding: Testing fle2 contention on update"); {     const st = new ShardingTest(\{shards: 2, mongos: 1, config: 1} );     runTest(st.s, st.shard0);     st.stop(); }