presto-accumulo/src/main/java/io/prestosql/plugin/accumulo/conf/AccumuloConfig.java/AccumuloConfig/setZkMetadataRoot
class AccumuloConfig:    @Config(ZOOKEEPER_METADATA_ROOT)
    @ConfigDescription("Sets the root znode for metadata storage")
    public void setZkMetadataRoot(String zkMetadataRoot)
    {
        this.zkMetadataRoot = zkMetadataRoot;
    }