private NavigableMap<byte[], List<Path>> getStoreFiles() {
    NavigableMap<byte[], List<Path>> allStoreFiles = new TreeMap<>(Bytes.BYTES_COMPARATOR);
    for (HStore store : stores.values()) {
      Collection<HStoreFile> storeFiles = store.getStorefiles();
      if (storeFiles == null) {
        continue;
      }
      List<Path> storeFileNames = new ArrayList<>();
      for (HStoreFile storeFile : storeFiles) {
        storeFileNames.add(storeFile.getPath());
      }
      allStoreFiles.put(store.getColumnFamilyDescriptor().getName(), storeFileNames);
    }
    return allStoreFiles;
  }
Returns Map of StoreFiles by column family
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java