org.apache.hadoop.hdfs.server.common.blockaliasmap.BlockAliasMap.Reader<FileRegion> | 
TextFileRegionAliasMap.getReader(org.apache.hadoop.hdfs.server.common.blockaliasmap.BlockAliasMap.Reader.Options opts,
         String blockPoolID)  | 
org.apache.hadoop.hdfs.server.common.blockaliasmap.BlockAliasMap.Reader<FileRegion> | 
LevelDBFileRegionAliasMap.getReader(org.apache.hadoop.hdfs.server.common.blockaliasmap.BlockAliasMap.Reader.Options opts,
         String blockPoolID)  | 
org.apache.hadoop.hdfs.server.common.blockaliasmap.BlockAliasMap.Writer<FileRegion> | 
TextFileRegionAliasMap.getWriter(org.apache.hadoop.hdfs.server.common.blockaliasmap.BlockAliasMap.Writer.Options opts,
         String blockPoolID)  | 
org.apache.hadoop.hdfs.server.common.blockaliasmap.BlockAliasMap.Writer<FileRegion> | 
LevelDBFileRegionAliasMap.getWriter(org.apache.hadoop.hdfs.server.common.blockaliasmap.BlockAliasMap.Writer.Options opts,
         String blockPoolID)  |