public Builder setTitle(
          java.lang.String value) {
        if (value == null) { throw new NullPointerException(); }
        title_ = value;
        bitField0_ |= 0x00000002;
        onChanged();
        return this;
      }
<pre>
used in the html ALT
</pre>

<code>optional string title = 2;</code>
@param value The title to set.
@return This builder for chaining.
benchmark/src/main/java/com/alibaba/fastjson2/benchmark/protobuf/MediaContentHolder.java