| Package | Description | 
|---|---|
| org.apache.poi.poifs.filesystem | filesystem package maps OLE 2 Compound document files to a more familiar filesystem interface. | 
| org.apache.poi.poifs.property | property package contains high and low level Property structures for POIFS. | 
| Class and Description | 
|---|
| DocumentProperty Trivial extension of Property for POIFSDocuments | 
| Property This abstract base class is the ancestor of all classes
 implementing POIFS Property behavior. | 
| PropertyTable This class embodies the Property Table for a  POIFSFileSystem;
 this is basically the directory for all of the documents in the
 filesystem and looks up entries in the filesystem to their
 chain of blocks. | 
| Class and Description | 
|---|
| Child This interface defines methods for finding and setting sibling
 Property instances | 
| DirectoryProperty Directory property | 
| Parent Behavior for parent (directory) properties | 
| Property This abstract base class is the ancestor of all classes
 implementing POIFS Property behavior. | 
| RootProperty Root property | 
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