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// Copyright (c) 2009 DMTF.  All rights reserved.
   [Version ( "2.22.0" ), 
    UMLPackagePath ( "CIM::Core::OpaqueManagementData" ), 
    Description ( 
       "A class derived from StorageExtent that describes opaque "
       "management data in managed systems. The structure and "
       "semantics of opaque management data, which may be standardized "
       "or proprietary, are assumed to be known by at least one "
       "management client, but need not be known by the CIM server. "
       "The UntransformedDataFormat property identifies the structure "
       "and semantics of the data.\n"
       "Opaque management data are typically stored in non-volatile "
       "memory that is accessible to the server. Management clients "
       "are able to read and write opaque data, to manage their "
       "lifetime, and to configure the access rights associated with "
       "them. The non-volatile storage is often used as a mailbox, "
       "with local management agents producing data for consumption by "
       "remote management clients, or vice versa.\n"
       "This class is not intended as a general-purpose opaque "
       "alternative to any existing or planned CIM classes. It is "
       "expressly intended for the mailbox usage model described "
       "above." )]
class CIM_OpaqueManagementData : CIM_StorageExtent {

      [Description ( 
          "The maximum number of bytes of opaque management data "
          "that the instance may contain." ), 
       PUnit ( "byte" )]
   uint64 MaxSize;

      [Description ( 
          "The date and time when the opaque management data was "
          "last accessed. Any operation on the OpaqueManagementData "
          "instance constitutes access. This property shall be NULL "
          "if it is not supported by the implementation." )]
   datetime LastAccessed;

      [Description ( 
          "Indicates whether the data are stored on a medium that "
          "has a limited number of write/erase cycles (e.g., flash "
          "memory)." ), 
       ValueMap { "0", "1", "2", ".." }, 
       Values { "Unknown", "Not write-limited", "Write-limited", 
          "DMTF Reserved" }]
   uint16 WriteLimited;

      [Description ( 
          "Describes the format of the opaque management data. A "
          "free-form string that shall only be set by an authorized "
          "client, and shall not be changed by the implementation." )]
   string DataFormat;

      [Description ( 
          "The number of bytes of opaque management data in the instance."
           ), 
       PUnit ( "byte" )]
   uint64 DataSize;


};