question: return the appropriate type of the bzip2 compressor . concode_field_sep String bzip2LibraryName concode_elem_sep Log LOG concode_elem_sep boolean nativeBzip2Loaded concode_field_sep Decompressor getBzip2Decompressor concode_elem_sep Compressor getBzip2Compressor concode_elem_sep int getBlockSize concode_elem_sep boolean isNativeBzip2Loaded concode_elem_sep String getLibraryName concode_elem_sep void setWorkFactor concode_elem_sep int getWorkFactor concode_elem_sep void setBlockSize concode_elem_sep Class<? extends Decompressor> getBzip2DecompressorType
target: Class < ? extends Compressor > function ( Configuration arg0 ) { return isNativeBzip2Loaded ( arg0 ) ? Bzip2Compressor . class : BZip2DummyCompressor . class ; }