Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 123]

►Napitest
CBaseIndex
CCaptionShape
CCellAreaLink
CCellProperties
CDatabaseImportDescriptor
CDatabaseRange
CDataPilotField
CDataPilotItem
CDocumentSettings
CFunctionDescription
CGlobalSheetSettings
CScenario
CSearchDescriptor
CShape
CSheetCell
CSheetCellRange
CSheetCellRanges
CSheetFilterDescriptor
CSheetLink
CSheetSortDescriptor2
CSpreadsheet
CSpreadsheetDocumentSettings
CSpreadsheetViewSettings
CSubTotalDescriptor
CTableAutoFormat
CTableColumn
CTableRow
CTableValidation
CTextContent
CTextDocumentIndex
CTextDocumentSettings
CTextPrinterSettings
CTextSettings
CXActionLockable
CXActivationBroadcaster
CXAreaLink
CXAreaLinks
CXArrayFormulaRange
CXCalculatable
CXCell
CXCellAddressable
CXCellCursor
CXCellFormatRangesSupplier
CXCellRange
CXCellRangeAddressable
CXCellRangeData
CXCellRangeFormula
CXCellRangeMovement
CXCellRangeReferrer
CXCellRangesQuery
CXCellSeries
CXChartData
CXChild
CXColumnRowRange
CXComponent
CXConsolidatable
CXConsolidationDescriptor
CXControlAccess
CXDatabaseRange
CXDatabaseRanges
CXDataPilotDescriptor
CXDataPilotField
CXDataPilotFieldGrouping
CXDataPilotTable
CXDataPilotTable2
CXDataPilotTables
CXDataPilotTablesSupplier
CXDDELink
CXDDELinks
CXDocumentAuditing
CXDocumentIndex	Testing `com.sun.star.text.XDocumentIndex`
CXDrawPages
CXElementAccess
CXEmbeddedObjectSupplier
CXEnumeration
CXEnumerationAccess
CXFormLayerAccess
CXFormulaQuery
CXFunctionDescriptions
CXGluePointsSupplier
CXGoalSeek
CXHeaderFooterContent
CXIndent
CXIndexAccess
CXLabelRange
CXLabelRanges
CXLinkTargetSupplier
CXMergeable
CXMultiFormulaTokens
CXMultipleOperation
CXNameAccess
CXNameContainer
CXNamed
CXNamedRange
CXNamedRanges
CXNameReplace
CXPrintAreas
►CXPropertySet
CPropsToTest
CXRecentFunctions
CXRefreshable
CXReplaceable
CXReplaceDescriptor
CXScenario
CXScenarioEnhanced
CXScenarios
CXScenariosSupplier
CXSearchable
CXSearchDescriptor
CXServiceInfo
CXShape
CXShapeDescriptor
CXShapeGrouper
CXShapes
CXSheetAnnotation
CXSheetAnnotationAnchor
CXSheetAnnotations
CXSheetAnnotationShapeSupplier
CXSheetAnnotationsSupplier
CXSheetAuditing
CXSheetCellCursor
CXSheetCellRange
CXSheetCellRangeContainer
CXSheetCellRanges
CXSheetCondition
CXSheetConditionalEntries
CXSheetConditionalEntry
CXSheetFilterable
CXSheetFilterableEx
CXSheetFilterDescriptor
CXSheetFilterDescriptor2
CXSheetFilterDescriptor3
CXSheetLinkable
CXSheetOperation
CXSheetOutline
CXSheetPageBreak
CXSimpleText
CXSpreadsheet
CXSpreadsheetDocument
CXSpreadsheets
CXSpreadsheets2
CXSpreadsheetView
CXStyleLoader
CXSubTotalCalculatable
CXSubTotalDescriptor
CXSubTotalField
CXTableChart
CXTableCharts
CXTableChartsSupplier
CXTableColumns
CXTableRows
CXText
CXTextContent
CXTextField
CXTextRange
CXUniqueCellFormatRangesSupplier
CXUsedAreaCursor
CXViewFreezable
CXViewPane
CXViewSplitable
►Ntest
CAccessibleEventPosterHelper	Accessibility-specialized helper to send events to a window
►CAccessibleTestBase
CDialog
CDialogWaiter
CBootstrapFixture
CEventPosterHelper	Helper to send events to a window
CEventPosterHelperBase	Base helper class to send events to a window
CSwAccessibleTestBase
CAccessibilityTools
CHtmlTestTools
CScreenshotTest
CTestInteractionHandler
►CTestLokCallbackWrapper	A helper to convert SfxLokCallbackInterface to a LIbreOfficeKitCallback for tests
CPerViewIdData
CUnoApiTest
CUnoApiXmlTest
CxmlDocDeleter
CXmlTestTools