public DescribeThumbnailsRequest withThumbnailType(String thumbnailType) {
        setThumbnailType(thumbnailType);
        return this;
    }
thumbnail type

@param thumbnailType
       thumbnail type
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-medialive/src/main/java/com/amazonaws/services/medialive/model/DescribeThumbnailsRequest.java