Added Statistics calculation

Statistics now show calculated values

node_modules/@mui/x-internals/EventManager/EventManager.d.ts

@@ -0,0 +1,29 @@
+export type EventListener = (...args: any[]) => void;
+export interface EventListenerOptions {
+  isFirst?: boolean;
+}
+interface EventListenerCollection {
+  /**
+   * List of listeners to run before the others
+   * They are run in the opposite order of the registration order
+   */
+  highPriority: Map<EventListener, true>;
+  /**
+   * List of events to run after the high priority listeners
+   * They are run in the registration order
+   */
+  regular: Map<EventListener, true>;
+}
+export declare class EventManager {
+  maxListeners: number;
+  warnOnce: boolean;
+  events: {
+    [eventName: string]: EventListenerCollection;
+  };
+  on(eventName: string, listener: EventListener, options?: EventListenerOptions): void;
+  removeListener(eventName: string, listener: EventListener): void;
+  removeAllListeners(): void;
+  emit(eventName: string, ...args: any[]): void;
+  once(eventName: string, listener: EventListener): void;
+}
+export {};