message: update DateTextField TS definitions
diff: @@ -7,13 +7,16 @@ export interface DateTextFieldProps extends TextFieldProps {
  value: any;
  mask?: any;
  onChange: (date: object) => void;
  + onClear: (date: object) => void;
  InputProps: any;
  keyboard?: boolean;
  disabled?: boolean;
  format?: string;
  invalidLabel?: string;
  + emptyLabel?: string;
  labelFunc?: (date: object, invalidLabel: string) => string;
  keyboardIcon?: string;
  + clearable?: boolean;
  }
  declare const DateTextField: ComponentClass<DateTextFieldProps>;
  