See: Description
| Class | Description | 
|---|---|
| ConvertAnchor | |
| DrawingManager2 | Provides utilities to manage drawing groups. | 
| HSSFFormulaParser | HSSF wrapper for the  FormulaParserandFormulaRenderer | 
| InternalSheet | Low level model implementation of a Sheet (one workbook contains many sheets)
 This file contains the low level binary records starting at the sheets BOF and
 ending with the sheets EOF. | 
| InternalWorkbook | Low level model implementation of a Workbook. | 
| RecordStream | Simplifies iteration over a sequence of Record objects. | 
| RowBlocksReader | Segregates the 'Row Blocks' section of a single sheet into plain row/cell records and
 shared formula records. | 
| WorkbookRecordList | 
| Exception | Description | 
|---|---|
| InternalSheet.UnsupportedBOFType | 
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