@java.lang.Override
  public com.google.cloud.vision.v1.Block getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
<pre>
Confidence of the OCR results on the block. Range [0, 1].
</pre>

<code>float confidence = 5;</code>

@return This builder for chaining.
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/Block.java