public Builder setEntityIdBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      entityId_ = value;
      bitField0_ |= 0x00000001;
      onChanged();
      return this;
    }
<pre>
Opaque entity ID. Some IDs may be available in
[Google Knowledge Graph Search
API](https://developers.google.com/knowledge-graph/).
</pre>

<code>string entity_id = 1;</code>

@param value The bytes for entityId to set.
@return This builder for chaining.
java-video-intelligence/proto-google-cloud-video-intelligence-v1/src/main/java/com/google/cloud/videointelligence/v1/Entity.java