How much the repair recorded by a Diagnostic may have changed the document.
public enum DiagnosticSeverity
Ordered: a higher value is more severe. A well-formed file produces no Warning and no Error; strict mode throws on those two and never on Information.
kind:method, kind:property, kind:ctor. Press Esc to clear.ErrorThe file deviates from the specification, and the repair probably lost or invented content.InformationThe file is valid, but uses a feature the library reads and preserves without supporting it (parse-and-preserve: XFA, JavaScript, multimedia). Nothing was repaired; strict mode does not throw.WarningThe file deviates from the specification, and the repair is believed to have kept all of its content.