*
   * <p>Specifically, returns true if any of the following conditions is met:
   *
   * <ol>
   *   <li>'this' and {@code formalType} are equal.
   *   <li>'this' and {@code formalType} have equal canonical form.
   *   <li>{@code formalType} is {@code <? extends Foo>} and 'this' is a subtype of {@code Foo}.
   *   <li>{@code formalType} is {@code <? super Foo>} and 'this' is a supertype of {@code Foo}.
   * </ol>
   *