code: public static void println(Closure self, Object value) {
          Object owner = getClosureOwner(self);
          InvokerHelper.invokeMethod(owner, "println", new Object[]{value});
      }
docs: Print a value (followed by a newline) to the standard output stream.
  This method delegates to the owner to execute the method.
  
  @param self  a closure
  @param value the value to print
  @since 1.0