Added Statistics calculation

Statistics now show calculated values

node_modules/@mui/x-date-pickers/models/manager.d.ts

@@ -0,0 +1,78 @@
+import type { FieldValueManager, UseFieldInternalProps } from "../internals/hooks/useField/index.js";
+import type { PickerValidValue, PickerValueManager } from "../internals/models/index.js";
+import type { Validator } from "../validation/index.js";
+import type { PickerValueType } from "./common.js";
+/**
+ * Object that contains all the necessary methods and properties to adapt a Picker or a Field for a given value type.
+ * You should never create your own manager.
+ * Instead, use the hooks exported from '@mui/x-date-pickers/managers' and '@mui/x-date-pickers-pro/managers'.
+ *
+ * ```tsx
+ * import { useDateManager } from '@mui/x-date-pickers/managers';
+ * import { useValidation } from '@mui/x-date-pickers/validation';
+ *
+ * const manager = useDateManager();
+ * const { hasValidationError } = useValidation({
+ *   validator: manager.validator,
+ *   value,
+ *   timezone,
+ *   props,
+ * });
+ * ```
+ */
+export interface PickerManager<TValue extends PickerValidValue, TEnableAccessibleFieldDOMStructure extends boolean, TError, TValidationProps extends {}, TFieldInternalProps extends {}> {
+  /**
+   * The type of the value (e.g. 'date', 'date-time', 'time').
+   */
+  valueType: PickerValueType;
+  /**
+   * Checks if a value is valid and returns an error code otherwise.
+   * It can be passed to the `useValidation` hook to validate a value:
+   *
+   * ```tsx
+   * import { useDateManager } from '@mui/x-date-pickers/managers';
+   * import { useValidation } from '@mui/x-date-pickers/validation';
+   *
+   * const manager = useDateManager();
+   * const { hasValidationError } = useValidation({
+   *   validator: manager.validator,
+   *   value,
+   *   timezone,
+   *   props,
+   * });
+   * ```
+   */
+  validator: Validator<TValue, TError, TValidationProps>;
+  /**
+   * Object containing basic methods to interact with the value of the Picker or Field.
+   * This property is not part of the public API and should not be used directly.
+   */
+  internal_valueManager: PickerValueManager<TValue, TError>;
+  /**
+   * Object containing all the necessary methods to interact with the value of the Field.
+   * This property is not part of the public API and should not be used directly.
+   */
+  internal_fieldValueManager: FieldValueManager<TValue>;
+  /**
+   * `true` if the field is using the accessible DOM structure.
+   * `false` if the field is using the non-accessible DOM structure.
+   * This property is not part of the public API and should not be used directly.
+   */
+  internal_enableAccessibleFieldDOMStructure: TEnableAccessibleFieldDOMStructure;
+  /**
+   * Applies the default values to the field internal props.
+   * This usually includes:
+   * - a default format to display the value in the field
+   * - some default validation props that are needed to validate the value (e.g: minDate, maxDate)
+   * This property is not part of the public API and should not be used directly.
+   * @param {TFieldInternalProps<TFieldInternalProps>} internalProps The field internal props to apply the defaults to.
+   * @returns {TFieldInternalPropsWithDefaults} The field internal props with the defaults applied.
+   */
+  internal_useApplyDefaultValuesToFieldInternalProps: (internalProps: TFieldInternalProps) => UseFieldInternalProps<TValue, TEnableAccessibleFieldDOMStructure, TError> & TValidationProps;
+  /**
+   * Returns a hook that creates the aria-label to apply on the button that opens the Picker.
+   * @param {TValue} value The value of the Picker.
+   * @returns {string} The aria-label to apply on the button that opens the Picker.
+   */
+  internal_useOpenPickerButtonAriaLabel: (value: TValue) => string;
+}