public Builder setFileNameBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      fileName_ = value;
      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][google.cloud.video.livestream.v1.Manifest.type]. If multiple
manifests are added to the channel, each must have a unique file name.
</pre>

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

@param value The bytes for fileName to set.
@return This builder for chaining.
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/Manifest.java