arg_name: option name: readConcern type: :php:`MongoDB\\Driver\\ReadConcern <class.mongodb-driver-readconcern>` description: | :manual:`Read concern </reference/read-concern>` to use for the operation. Defaults to the client's read concern. This is not supported for server versions prior to 3.2 and will result in an exception at execution time if used. interface: phpmethod operation: ~ optional: true --- arg_name: option name: readPreference type: :php:`MongoDB\\Driver\\ReadPreference <class.mongodb-driver-readpreference>` description: | :manual:`Read preference </reference/read-preference>` to use for the operation. Defaults to the client's read preference. interface: phpmethod operation: ~ optional: true --- source: file: apiargs-common-option.yaml ref: typeMap --- arg_name: option name: writeConcern type: :php:`MongoDB\\Driver\\WriteConcern <class.mongodb-driver-writeconcern>` description: | :manual:`Write concern </reference/write-concern>` to use for the operation. Defaults to the client's write concern. interface: phpmethod operation: ~ optional: true ...