public Builder setUrl(java.lang.String value) {
        if (value == null) {
          throw new NullPointerException();
        }
        url_ = value;
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }
<pre>
The result web page URL.
</pre>

<code>string url = 1;</code>

@param value The url to set.
@return This builder for chaining.
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/WebDetection.java