Error Compile AX2009 SysReportLibraryExport classDeclaration Error de sintaxis.

I am trying to compile AX2009, but I got the following:

/// <summary>
/// A bridge for calling into Microsoft.Dynamics.Framework.Deployment.Reports.ReportLibraryExport
/// from the kernel.
/// </summary>
// This is a framework class. Customizing this class may cause problems with future upgrades to the software.
class SysReportLibraryExport
{
    Microsoft.Dynamics.Framework.Deployment.Reports.ReportLibraryExport export;
}