anchor.diff:      /// Finds the first DOM element matching a CSS selector and mounts the React element there
       let inline mountBySelector (domElSelector: string) (reactEl: ReactElement): unit =
           ReactDom.render(reactEl, document.querySelector(domElSelector))
  -#endif+#endif
  
positive.code:         fun props ->
              ReactElementType.create memoType props []
  
      [<System.Obsolete("Use FunctionComponent.Of with memoizedWith")>]
      let memoBuilderWith<'props> (name: string) (areEqual: 'props -> 'props -> bool) (render: 'props -> ReactElement) : 'props -> ReactElement =
  #if FABLE_COMPILER
          render?displayName <- name
  
negative.code:         false
  #endif
  
      [<System.Obsolete("Use FunctionComponent.Of with memoizeWith")>]
      let memoBuilder<'props> (name: string) (render: 'props -> ReactElement) : 'props -> ReactElement =
  #if FABLE_COMPILER
          render?displayName <- name
  