code: public com.google.api.ads.adwords.axis.v201809.cm.RequestContextOperandContextType getContextType() {
          return contextType;
      }
docs: Gets the contextType value for this RequestContextOperand.
  
  @return contextType   * Type of value to be referred in the request context.
  <span class="constraint Required">This field is
  required and should not be {@code null}.</span>