The context configuration.
plugins : Array<PluginConstructor<Context | Editor>> | undefined
module:core/context~ContextConfig#plugins
substitutePlugins : Array<PluginConstructor<Context | Editor>> | undefined
module:core/context~ContextConfig#substitutePlugins
object & Omit<EditorConfig, 'plugins' | 'substitutePlugins' | 'removePlugins' | 'extraPlugins'>