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requireLogoutWith(URL) (Version 2.5 and Above)- Used in conjunction with passive protection of a resource, this property will automate a redirect to the URL specified (usually the SP's logout handler) and then a return to the location being accessed, passing control to it. Assuming SP logout proceeds successfully, this will invoke that mechanism and pass control to this resource with the SP session disposed of, enabling application logout to proceed.
exportDuplicateValues(boolean) (defaults to true) (Version 2.6 and Above)- If set to false, the export of attribute values to variables or headers will filter out duplicate values. This occurs per-header, so accounts for aliasing and multiply-sourced headers, but also adds some overhead to the processing of every request for larger attribute sets.