public Builder clearFileName() {
      fileName_ = getDefaultInstance().getFileName();
      bitField0_ = (bitField0_ & ~0x00000001);
      onChanged();
      return this;
    }
<pre>
The name of the generated file. The default is `manifest` with the
extension suffix corresponding to the `Manifest.type`.
</pre>

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

@return This builder for chaining.
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/Manifest.java