# Package org.apache.poi.hpsf.wellknown

Specific support for DocumentSummaryInformation, SummaryInformation types.

See: Description

- Class Summary
  Class | Description
  --- | ---
  PropertyIDMap | This is a dictionary which maps property ID values to property ID strings.
  SectionIDMap | Deprecated in 4.0.0, there's no way to create custom PropertyIDMaps, therefore this class is obsolete

## Package org.apache.poi.hpsf.wellknown Description

Specific support for DocumentSummaryInformation, SummaryInformation types.

Support classes for "well-known" section format IDs and property IDs. The streams `\005DocumentSummaryInformation` and `\005SummaryInformation` (or any streams with the same section format IDs as the aforementioned) are considered well-known. So are most property IDs in these streams.

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