@java.lang.Override
    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
      return super.clearField(field);
    }
<pre>
The top-level message sent by the client for the `StreamingAnnotateVideo`
method. Multiple `StreamingAnnotateVideoRequest` messages are sent.
The first message must only contain a `StreamingVideoConfig` message.
All subsequent messages must only contain `input_content` data.
</pre>

Protobuf type {@code google.cloud.videointelligence.v1p3beta1.StreamingAnnotateVideoRequest}
java-video-intelligence/proto-google-cloud-video-intelligence-v1p3beta1/src/main/java/com/google/cloud/videointelligence/v1p3beta1/StreamingAnnotateVideoRequest.java