public Builder setConfidence(float value) {

      confidence_ = value;
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
<pre>
Confidence of the OCR results for the paragraph. Range [0, 1].
</pre>

<code>float confidence = 4;</code>

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