@Override
        public Describer.Printer print(final Object x) {
            this.out.print(x);
            return this;
        }
Prints an Object and then terminates the line.

@param x The <code>Object</code> to be printed.
@return this printer
jraft-core/src/main/java/com/alipay/sofa/jraft/util/Describer.java