ValueLegacyExtendedProperty")]         [Selectable]         [Expandable]         [AllowEmptyCollection]         [Parameter(ParameterSetName = @"microsoft.graph.mailFolder", HelpMessage = @"The &quot;multiValueExtendedProperties&quot; property, of type &quot;microsoft.graph.multiValueLegacyExtendedProperty&quot;.")]         [Parameter(ParameterSetName = @"microsoft.graph.mailSearchFolder", HelpMessage = @"The &quot;multiValueExtendedProperties&quot; property, of type &quot;microsoft.graph.multiValueLegacyExtendedProperty&quot;.")]         public System.Object[] 