public Builder setDetectionConfidence(float value) {

      detectionConfidence_ = value;
      bitField0_ |= 0x00000040;
      onChanged();
      return this;
    }
<pre>
Detection confidence. Range [0, 1].
</pre>

<code>float detection_confidence = 7;</code>

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