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

[detail level 12345]

▼NiText
▼NPdfCleanup
▼NActions
▼NData
CPdfSweepProductData	Stores an instance of iText.Commons.Actions.Data.ProductData related to iText pdfSweep module
▼NEvent
CPdfSweepProductEvent	Class represents events registered in iText cleanup module
▼NAutosweep
CCommonRegex	This class contains some of the more common regular expressions to be used for redaction
CCompositeCleanupStrategy	This class is a composite pattern for ICleanupStrategy
CICleanupStrategy	This class represents a generic cleanup strategy to be used with iText.PdfCleanup.PdfCleaner or PdfAutoSweepTools ICleanupStrategy must implement Cloneable to ensure a strategy can be reset after having handled a page
CPdfAutoSweepTools	Class that automatically extracts all regions of interest from a given PdfDocument and redacts them
CRegexBasedCleanupStrategy	This class represents a regular expression based cleanup strategy
▼NExceptions
CCleanupExceptionMessageConstant	Class that bundles all the error message templates as constants
▼NLogs
CCleanUpLogMessageConstant	Class that bundles all the log message templates as constants
▼NUtil
CCleanUpCsCompareUtil	Utility class providing methods to check images compatibility
CCleanUpHelperUtil	Utility class providing clean up helping methods
CCleanUpImageUtil	Utility class providing methods to handle images and work with graphics
CCleanUpProperties	Contains properties for PdfCleanUpTool operations
▼CLineDashPattern	Represents the line dash pattern
CDashArrayElem	Class representing a single element of a dash array
CPathOffsetApproximationProperties	Contains properties for iText.Kernel.Pdf.Canvas.Parser.ClipperLib.ClipperOffset operations
CPdfCleaner	Main entry point for cleaning a PDF document
CPdfCleanUpEventListener	An event listener which handles cleanup related events
CPdfCleanUpLocation	Defines the region to be erased in a PDF document
CPdfCleanUpProcessor	PDF content stream processor, which filters content to be cleaned up
CPdfCleanUpTool	Represents the main mechanism for cleaning a PDF document