Qué hacer cuando la enumeración de la máscara de bits (flags) es demasiado grande

Tengo un conjunto muy grande de permisos en mi aplicación que represento con una enumeración de Flags. Se está acercando rápidamente al límite superior práctico del tipo de datos largos. Y me veo obligado a idear una estrategia para la transición a una estructura diferente pronto. Ahora, podría dividir esta lista en partes más pequeñas, sin embargo, esto ya es solo un subconjunto de los permisos generales para nuestra aplicación, basado en el diseño de nuestras aplicaciones. Utilizamos esta distinción ampliamente para fines de visualización al administrar permisos y preferiría no tener que volver a visitar ese código en este momento si puedo evitarlo.

¿Alguien más se ha encontrado con este problema? ¿Cómo lo superaste? Los ejemplos generales están bien, pero estoy más interesado en un ejemplo específico de c # si hay algún truco específico de idioma que pueda emplear para realizar el trabajo.

Puede que no sea necesario, pero aquí está la lista de permisos actualmente definidos para la parte de la aplicación que estoy tratando.

//Subgroup WebAgent
[Flags]
public enum WebAgentPermission : long
{
    [DescriptionAttribute("View Rule Group")]
    ViewRuleGroup = 1,
    [DescriptionAttribute("Add Rule Group")]
    AddRuleGroup = 2,
    [DescriptionAttribute("Edit Rule Group")]
    EditRuleGroup = 4,
    [DescriptionAttribute("Delete Rule Group")]
    DeleteRuleGroup = 8,
    [DescriptionAttribute("View Rule")]
    ViewRule = 16,
    [DescriptionAttribute("Add Rule")]
    AddRule = 32,
    [DescriptionAttribute("Edit Rule")]
    EditRule = 64,
    [DescriptionAttribute("Delete Rule")]
    DeleteRule = 128,
    [DescriptionAttribute("View Location")]
    ViewLocation = 256,
    [DescriptionAttribute("Add Location")]
    AddLocation = 512,
    [DescriptionAttribute("Edit Location")]
    EditLocation = 1024,
    [DescriptionAttribute("Delete Location")]
    DeleteLocation = 2048,
    [DescriptionAttribute("View Volume Statistics")]
    ViewVolumeStatistics = 4096,
    [DescriptionAttribute("Edit Volume Statistics")]
    EditVolumeStatistics = 8192,
    [DescriptionAttribute("Upload Volume Statistics")]
    UploadVolumeStatistics = 16384,
    [DescriptionAttribute("View Role")]
    ViewRole = 32768,
    [DescriptionAttribute("Add Role")]
    AddRole = 65536,
    [DescriptionAttribute("Edit Role")]
    EditRole = 131072,
    [DescriptionAttribute("Delete Role")]
    DeleteRole = 262144,
    [DescriptionAttribute("View User")]
    ViewUser = 524288,
    [DescriptionAttribute("Add User")]
    AddUser = 1048576,
    [DescriptionAttribute("Edit User")]
    EditUser = 2097152,
    [DescriptionAttribute("Delete User")]
    DeleteUser = 4194304,
    [DescriptionAttribute("Assign Permissions To User")]
    AssignPermissionsToUser = 8388608,
    [DescriptionAttribute("Change User Password")]
    ChangeUserPassword = 16777216,
    [DescriptionAttribute("View Audit Logs")]
    ViewAuditLogs = 33554432,
    [DescriptionAttribute("View Team")]
    ViewTeam = 67108864,
    [DescriptionAttribute("Add Team")]
    AddTeam = 134217728,
    [DescriptionAttribute("Edit Team")]
    EditTeam = 268435456,
    [DescriptionAttribute("Delete Team")]
    DeleteTeam = 536870912,
    [DescriptionAttribute("View Web Agent Reports")]
    ViewWebAgentReports = 1073741824,
    [DescriptionAttribute("View All Locations")]
    ViewAllLocations = 2147483648,
    [DescriptionAttribute("Access to My Search")]
    AccessToMySearch = 4294967296,
    [DescriptionAttribute("Access to Pespective Search")]
    AccessToPespectiveSearch = 8589934592,
    [DescriptionAttribute("Add Pespective Search")]
    AddPespectiveSearch = 17179869184,
    [DescriptionAttribute("Edit Pespective Search")]
    EditPespectiveSearch = 34359738368,
    [DescriptionAttribute("Delete Pespective Search")]
    DeletePespectiveSearch = 68719476736,
    [DescriptionAttribute("Access to Search")]
    AccessToSearch = 137438953472,
    [DescriptionAttribute("View Form Roles")]
    ViewFormRole = 274877906944,
    [DescriptionAttribute("Add / Edit Form Roles")]
    AddFormRole = 549755813888,
    [DescriptionAttribute("Delete UserFormRolesDifferenceMasks")]
    DeleteFormRole = 1099511627776,
    [DescriptionAttribute("Export Locations")]
    ExportLocations = 2199023255552,
    [DescriptionAttribute("Import Locations")]
    ImportLocations = 4398046511104,
    [DescriptionAttribute("Manage Location Levels")]
    ManageLocationLevels = 8796093022208,
    [DescriptionAttribute("View Job Title")]
    ViewJobTitle = 17592186044416,
    [DescriptionAttribute("Add Job Title")]
    AddJobTitle = 35184372088832,
    [DescriptionAttribute("Edit Job Title")]
    EditJobTitle = 70368744177664,
    [DescriptionAttribute("Delete Job Title")]
    DeleteJobTitle = 140737488355328,
    [DescriptionAttribute("View Dictionary Manager")]
    ViewDictionaryManager = 281474976710656,
    [DescriptionAttribute("Add Dictionary Manager")]
    AddDictionaryManager = 562949953421312,
    [DescriptionAttribute("Edit Dictionary Manager")]
    EditDictionaryManager = 1125899906842624,
    [DescriptionAttribute("Delete Dictionary Manager")]
    DeleteDictionaryManager = 2251799813685248,
    [DescriptionAttribute("View Choice Manager")]
    ViewChoiceManager = 4503599627370496,
    [DescriptionAttribute("Add Choice Manager")]
    AddChoiceManager = 9007199254740992,
    [DescriptionAttribute("Edit Chioce Manager")]
    EditChoiceManager = 18014398509481984,
    [DescriptionAttribute("Delete Choice Manager")]
    DeleteChoiceManager = 36028797018963968,
    [DescriptionAttribute("Import Export Choices")] //57
    ImportExportChoices = 72057594037927936
}

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