;             }              if (expression.IndexOf("$(MSBuildExtensionsPath00)") >= 0)             {                 return MSBuildExtensionsPathReferenceKind.Path00;             }              if (expression.IndexOf("$(MSBuildExtensionsPath00)") >= 0)             {                 return MSBuildExtensionsPathReferenceKind.Path00;             }              return MSBuildExtensionsPathReferenceKind.