class in UnityEditor.PackageManagerマニュアルに切り替える
Unity Package Manager client class.
Use the Client class to manage the packages used in a project.
|Adds a package dependency to the project.
|Lists the packages the project depends on.
|Removes a previously added package from the project.
|Resets the list of packages installed for this project to the editor's default configuration. This operation will clear all packages added to the project and keep only the packages set for the current editor default configuration.
|Searches the Unity package registry for the given package.