code: public void setUrls(com.google.api.ads.adwords.axis.v201809.cm.Media_Size_StringMapEntry[] urls) {
          this.urls = urls;
      }
docs: Sets the urls value for this Media.
  
  @param urls   * URLs pointing to the resized media for the given sizes. Only
  applies to image media.
  <span class="constraint Selectable">This field can
  be selected using the value "Urls".</span>
  <span class="constraint ReadOnly">This field is read
  only and will be ignored when sent to the API.</span>