code: public boolean equalTo(CFMLEngine other, final boolean checkReferenceEqualityOnly) {
  	while (other instanceof CFMLEngineWrapper)
  	    other = ((CFMLEngineWrapper) other).engine;
  	if (checkReferenceEqualityOnly) return engine == other;
  	return engine.equals(other);
      }
docs: this interface is new to this class and not officially part of Lucee 3.x, do not use outside the
  loader
  
  @param other
  @param checkReferenceEqualityOnly
  @return is equal to given engine