message: style(errors::InvalidWhatIsItError): add tsdoc deprecate to backwards-compat error
diff: @@ -53,6 +53,7 @@ export class InvalidPropTypeError extends Error {
  }
  // For Backwards-compatability
  +/** @deprecated This was renamed to "InvalidPropTypeError" and will be removed in 10.0 */
  export const InvalidWhatIsItError = InvalidPropTypeError;
  export class CannotBeSymbolError extends Error {
  