public static com.google.cloud.vision.v1p4beta1.Word parseFrom(
      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
        PARSER, input, extensionRegistry);
  }
<pre>
Confidence of the OCR results for the word. Range [0, 1].
</pre>

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

@return The confidence.
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/Word.java