code: public com.google.api.ads.adwords.axis.v201809.rm.CustomAffinityToken getOperand() {
          return operand;
      }
docs: Gets the operand value for this CustomAffinityTokenOperation.
  
  @return operand   * {@link CustomAffinityToken} to operate on
  <span class="constraint Required">This field is
  required and should not be {@code null}.</span>