code: @Override
  	public <T> GraphRequest<T> graph(String object, TypeReference<T> type, Param... params) {
  		return this.graph(object, mapper.getTypeFactory().constructType(type), params);
  	}
docs: /* (non-Javadoc)
  @see com.googlecode.batchfb.Batcher#graph(java.lang.String, org.codehaus.jackson.type.TypeReference, com.googlecode.batchfb.Param[])