@java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(methodName_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, methodName_);
    }
    if (!input_.isEmpty()) {
      size += com.google.protobuf.CodedOutputStream.computeBytesSize(3, input_);
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
The prediction input.
</pre>

<code>bytes input = 3;</code>

@return The input.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictRequest.java