source: file: apiargs-common-option.yaml ref: readPreference description: | :manual:`Read preference </reference/read-preference>` to use for the operation. Defaults to the database's read preference. --- source: file: apiargs-common-option.yaml ref: session post: | .. versionadded:: 1.3 --- source: file: apiargs-MongoDBDatabase-common-option.yaml ref: typeMap ...