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
...
