/**
 * @typedef {object} Phaser.Types.Plugins.CorePluginContainer
 * @since 3.8.0
 *
 * @property {string} key - The unique name of this plugin in the core plugin cache.
 * @property {function} plugin - The plugin to be stored. Should be the source object, not instantiated.
 * @property {string} [mapping] - If this plugin is to be injected into the Scene Systems, this is the property key map used.
 * @property {boolean} [custom=false] - Core Scene plugin or a Custom Scene plugin?
 */
