@Override
  @Deprecated
  public boolean equals(Object any) {
    throw new UnsupportedOperationException("Use 'is' method on matcher wrapper");
  }
Deprecated to prevent accidental usage of this method.
@param any object
@return nothing
@deprecated You probably want to use {@link #is(Object)} method for matcher wrapper.
testing/src/org/immutables/check/ObjectChecker.java