public Builder setTypeBytes(com.google.protobuf.ByteString value) {
        if (value == null) {
          throw new NullPointerException();
        }
        checkByteStringIsUtf8(value);
        type_ = value;
        bitField0_ |= 0x00000002;
        onChanged();
        return this;
      }
<pre>
The data type of the argument.

This should match the textual representation of a stream/Packet type.
</pre>

<code>string type = 2;</code>

@param value The bytes for type to set.
@return This builder for chaining.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/OperatorDefinition.java