public Builder setUri(java.lang.String value) {
        if (value == null) {
          throw new NullPointerException();
        }
        uri_ = value;
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }
<pre>
Required. URI of the image in Cloud Storage. For example,
`gs://bucket/inputs/image.png`. Only PNG and JPEG images are supported.
</pre>

<code>string uri = 1 [(.google.api.field_behavior) = REQUIRED];</code>

@param value The uri to set.
@return This builder for chaining.
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/Overlay.java