source:file:apiargs-MongoDBCollection-common-option.yamlref:readPreference---source:file:apiargs-MongoDBCollection-common-option.yamlref:typeMappost:|This will be used for the returned command result document.---arg_name:optionname:verbositytype:stringdescription:|The verbosity level at which to run the command. See the :manual:`explain</reference/command/explain>` command for more information.interface:phpmethodoperation:~optional:true...