| static void | ChmAssert. assertByteArrayNotNull(byte[] data) | Checks if byte[] is not null | 
| static void | ChmAssert. assertChmAccessorNotNull(ChmAccessor<?> chmAccessor) | Checks if ChmAccessor is not null In case of null throws exception | 
| static void | ChmAssert. assertChmAccessorParameters(byte[] data,
                           ChmAccessor<?> chmAccessor,
                           int count) | Checks validity of ChmAccessor parameters | 
| static void | ChmAssert. assertCopyingDataIndex(int index,
                      int dataLength) |  | 
| static void | ChmAssert. assertDirectoryListingEntry(int name_length,
                           String name,
                           ChmCommons.EntryType entryType,
                           int offset,
                           int length) | Checks validity of the DirectoryListingEntry's parameters In case of
 invalid parameter(s) throws an exception | 
| static void | ChmAssert. assertPositiveInt(int param) | Checks if int param is greater than zero In case param <= 0 throws an
 exception | 
| static ChmBlockInfo | ChmBlockInfo. getChmBlockInfoInstance(DirectoryListingEntry dle,
                       int bytesPerBlock,
                       ChmLzxcControlData clcd) | Deprecated. | 
| static ChmBlockInfo | ChmBlockInfo. getChmBlockInfoInstance(DirectoryListingEntry dle,
                       int bytesPerBlock,
                       ChmLzxcControlData clcd,
                       ChmBlockInfo chmBlockInfo) |  | 
| static int | ChmCommons. indexOf(byte[] text,
       byte[] pattern) | Searches some pattern in byte[] | 
| static int | ChmCommons. indexOfResetTableBlock(byte[] text,
                      byte[] pattern) | Returns an index of the reset table |