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## Package org.apache.poi.poifs.storage

storage package contains low level binary structures for POIFS's implementation of the OLE 2 Compound Document Format.

See:
Description

Interface Summary
BlockList | Interface for lists of blocks that are mapped by block allocation tables
BlockWritable | An interface for persisting block storage of POIFS components.
HeaderBlockConstants | Constants used in reading/writing the Header block
ListManagedBlock | An interface for blocks managed by a list that works with a BlockAllocationTable to keep block sequences straight

Class Summary
BATBlock | A block of block allocation table entries.
BATBlock.BATBlockAndIndex |
BlockAllocationTableReader | This class manages and creates the Block Allocation Table, which is basically a set of linked lists of block indices.
BlockAllocationTableWriter | This class manages and creates the Block Allocation Table, which is basically a set of linked lists of block indices.
DataInputBlock | Wraps a `byte` array and provides simple data input access.
DocumentBlock | A block of document data.
HeaderBlock | The block containing the archive header
HeaderBlockWriter | The block containing the archive header
PropertyBlock | A block of Property instances
RawDataBlock | A big block created from an InputStream, holding the raw data
RawDataBlockList | A list of RawDataBlocks instances, and methods to manage the list
SmallBlockTableReader | This class implements reading the small document block list from an existing file
SmallBlockTableWriter | This class implements storage for writing the small blocks used by small documents.
SmallDocumentBlock | Storage for documents that are too small to use regular DocumentBlocks for their data
SmallDocumentBlockList | A list of SmallDocumentBlocks instances, and methods to manage the list

## Package org.apache.poi.poifs.storage Description

storage package contains low level binary structures for POIFS's implementation of the OLE 2 Compound Document Format.

## Related Documentation

For overviews, tutorials, examples, guides, and tool documentation, please see:

- Apache POI Project

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