public CaptionSource withLabel(String label) {
        setLabel(label);
        return this;
    }
<p>
The label of the caption shown in the player when choosing a language. We recommend that you put the caption
language name here, in the language of the captions.
</p>

@param label
       The label of the caption shown in the player when choosing a language. We recommend that you put the
       caption language name here, in the language of the captions.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-elastictranscoder/src/main/java/com/amazonaws/services/elastictranscoder/model/CaptionSource.java