message: improve Field typescript definition
diff: @@ -18,7 +18,7 @@ import React from 'react';
  import classNames from 'classnames';
  import * as sdk from '../../../index';
  import { debounce } from 'lodash';
  -import {IFieldState, IValidationResult} from "../elements/Validation";
  +import {IFieldState, IValidationResult} from "./Validation";
  // Invoke validation from user input (when typing, etc.) at most once every N ms.
  const VALIDATION_THROTTLE_MS = 200;
  @@ -29,7 +29,7 @@ function getId() {
  return `${BASE_ID}_${count++}`;
  }
  -interface IProps extends React.InputHTMLAttributes<HTMLSelectElement | HTMLInputElement> {
  +interface IProps extends React.InputHTMLAttributes<HTMLSelectElement | HTMLInputElement | HTMLTextAreaElement> {
  // The field's ID, which binds the input and label together. Immutable.
  id?: string,
  // The element to create. Defaults to "input".
  