| HiddenDataSanitizationOptions | Represents the configuration options for sanitizing hidden data within a document. |
| HiddenDataSanitizer | Represents a class for sanitizing hidden data. |
| UnsignedContentAbsorber | Represents a class for extracting unsigned content from a PDF file managed by digital signatures. |
| UnsignedContentAbsorber.Result | Encapsulates the result of an operation attempting to extract unsigned content from a PDF document. This class provides information about the success of the operation, details of the unsigned content, a message describing the outcome, and the coverage status of the document’s signatures. |
| UnsignedContentAbsorber.UnsignedContent | Encapsulates unsigned content elements extracted from a PDF document. This class provides access to pages, form fields, XForms, and annotations that are part of the unsigned content within the document. |