public static com.google.cloud.vision.v1p4beta1.ColorInfo getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }
<pre>
The fraction of pixels the color occupies in the image.
Value in range [0, 1].
</pre>

<code>float pixel_fraction = 3;</code>

@return This builder for chaining.
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/ColorInfo.java