@java.lang.Override
  public boolean getIsKeyFrame() {
    return isKeyFrame_;
  }
<pre>
Whether the buffer is a key frame.
</pre>

<code>bool is_key_frame = 2;</code>

@return The isKeyFrame.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/GstreamerBufferDescriptor.java