code: public static <T> Matcher<T> equivalentTo(final T expected, final Equivalence<T> equivalence) {
          return IsEquivalent.equivalentTo(expected, equivalence);
      }
docs: Creates a matcher that matches when the examined object of type <code>T</code> is equivalent to the specified
  <code>comparison</code> object according to the provided {@linkplain Equivalence}.
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  <p>Observe that the {@linkplain Equivalence} can deal with nulls.</p>