System.Security.SecurityRuntime.OverridesHelper C# (CSharp) Method

        private static int OverridesHelper(FrameSecurityDescriptor secDesc)
        {
            // check imperative
            int count = OverridesHelper2(secDesc, false);
            // add declarative
            count += OverridesHelper2(secDesc, true);
            return count;
            
        }
        private static int OverridesHelper2(FrameSecurityDescriptor secDesc, bool fDeclarative)