code: public void addConstructor(Class<?> [] params, String ... lines) throws CannotCompileException, NotFoundException {
  		CtConstructor c = new CtConstructor(getList(params), clazz);
  		int modifiers = Modifier.PUBLIC;
  		c.setModifiers(modifiers);
  		c.setBody(formatCode(lines));
  		clazz.addConstructor(c);
  	}
docs: <p>addConstructor.</p>
  
  @param params an array of {@link java.lang.Class} objects.
  @param lines a {@link java.lang.String} object.
  @throws javassist.CannotCompileException if any.
  @throws javassist.NotFoundException if any.