Added Statistics calculation

Statistics now show calculated values

node_modules/@mui/x-date-pickers/validation/validateDate.d.ts

@@ -0,0 +1,18 @@
+import type { MakeRequired } from '@mui/x-internals/types';
+import { Validator } from "./useValidation.js";
+import { BaseDateValidationProps, DayValidationProps, MonthValidationProps, YearValidationProps } from "../internals/models/validation.js";
+import { DateValidationError } from "../models/index.js";
+import { PickerValue } from "../internals/models/index.js";
+/**
+ * Validation props used by the Date Picker, Date Field and Date Calendar components.
+ */
+export interface ExportedValidateDateProps extends DayValidationProps, MonthValidationProps, YearValidationProps, BaseDateValidationProps {}
+/**
+ * Validation props as received by the validateDate method.
+ */
+export interface ValidateDateProps extends MakeRequired<ExportedValidateDateProps, ValidateDatePropsToDefault> {}
+/**
+ * Name of the props that should be defaulted before being passed to the validateDate method.
+ */
+export type ValidateDatePropsToDefault = keyof BaseDateValidationProps;
+export declare const validateDate: Validator<PickerValue, DateValidationError, ValidateDateProps>;