public String getGroupFiles() {
        return this.groupFiles;
    }
<p>
Grouping files is turned on by default when the input contains more than 50,000 files. To turn on grouping with
fewer than 50,000 files, set this parameter to "inPartition". To disable grouping when there are more than 50,000
files, set this parameter to <code>"none"</code>.
</p>

@return Grouping files is turned on by default when the input contains more than 50,000 files. To turn on
        grouping with fewer than 50,000 files, set this parameter to "inPartition". To disable grouping when
        there are more than 50,000 files, set this parameter to <code>"none"</code>.
aws-java-sdk-glue/src/main/java/com/amazonaws/services/glue/model/S3JsonSource.java