Custom ContentSecurityActionType used in sample code about custom Episerver activity.

ContentSecurityActionType.cs

namespace EpiAuditLogging.Web.Features.AuditLogging
{
    /// <summary>
    /// Content security action type (maps directly to <see cref="EPiServer.Security.SecuritySaveType"/>).
    /// </summary>
    public enum ContentSecurityActionType
    {
        //  same as EPiServer.Security.SecuritySaveType

        None = 0,
        RecursiveReplace = 1,
        RecursiveModify = 2,
        Modify = 3,
        Replace = 4,
        ReplaceChildPermissions = 5,
        MergeChildPermissions = 6
    }
}