The relationship of an associated file to the part of the document that refers to it (AFRelationship).
public enum PdfFileRelationship
ISO 32000-2 §7.11.3, Table 43 (PDF 2.0), and §14.13. Informational only: it gives no processing instructions.
kind:method, kind:property, kind:ctor. Press Esc to clear.AlternativeAn alternative representation of the content, such as audio.DataInformation used to derive a visual presentation, such as the data behind a table or graph.EncryptedPayloadAn encrypted payload document (§7.6.7).FormDataThe data of the document's interactive form (§12.7.3).OtherA second-class name (Annex E) or another name; see RelationshipName.SchemaA schema definition for the associated object, such as an XML schema for a metadata stream.SourceThe original source material for the associated content.SupplementA supplemental representation that may be easier to consume, such as MathML for an equation.UnspecifiedThe relationship is not known or cannot be described by another value. The default.