| AbstractObjectHandler<T> | 
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| AbstractRow | 
 Ancestor for row objects. 
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| CellView | 
 Wrapper for a cell. 
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| DataRowView | 
 Provides a view to a data row. 
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| DefaultSpreadSheet | 
 Represents a generic spreadsheet object. 
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| DenseDataRow | 
 A row for dense data representation. 
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| DenseFloatDataRow | 
 A row for dense data representation, using floats internally. 
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| DoubleCell | 
 Represents a single cell. 
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| FloatCell | 
 Represents a single cell. 
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| HeaderRow | 
 Represents a header row. 
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| JsonObjectHandler | 
 Handler for JSON. 
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| LookUpHelper | 
 Helper class for LookUp related stuff. 
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| MetaData | 
 Simple meta-data storage. 
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| RowComparator | 
 For comparing rows. 
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| RowIdentifier | 
 Uses a range of columns to identify rows. 
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| SheetIndex | 
Extended  Index class that can use a sheet name to determine an
 index of a sheet as well.  
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| SheetRange | 
Extended  Range class that also allows sheet names for specifying
 sheet positions (names are case-insensitive, just like placeholders for
 'first', 'second', etc).  
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| SparseDataRow | 
 Represents a data row with sparse data. 
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| SparseFloatDataRow | 
 Represents a data row with sparse data, using floats internally for
 representing the cells. 
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| SpreadSheetColumnIndex | 
Extended  Index class that can use a column name to determine an
 index of a column as well.  
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| SpreadSheetColumnRange | 
Extended  Range class that also allows column names for specifying
 column positions (names are case-insensitive, just like placeholders for 
 'first', 'second', etc).  
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| SpreadSheetHelper | 
 A helper class for spreadsheet operations. 
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| SpreadSheetRowIndex | 
Extended  Index class for SpreadSheet objects.  
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| SpreadSheetRowRange | 
Extended  Range class for SpreadSheet objects.  
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| SpreadSheetUnorderedColumnRange | 
Extended  UnorderedRange class that also allows column names for specifying
 column positions (names are case-insensitive, just like placeholders for 
 'first', 'second', etc).  
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| SpreadSheetUnorderedRowRange | 
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| SpreadSheetUtils | 
 Helper class for spreadsheet related functionality. 
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| SpreadSheetView | 
 Provides a view of another spreadsheet. 
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| StringObjectHandler | 
 Dummy handler for strings. 
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