Restore oiginal extensionmethods.cs file.
Restore oiginal extensionmethods.cs file.

kschecht/sarif-sdk,kschecht/sarif-sdk,Rolstenhouse/sarif-sdk,kschecht/sarif-sdk,kschecht/sarif-sdk,Rolstenhouse/sarif-sdk,kschecht/sarif-sdk,kschecht/sarif-sdk,Rolstenhouse/sarif-sdk,Rolstenhouse/sarif-sdk,Rolstenhouse/sarif-sdk,Rolstenhouse/sarif-sdk,Rolstenhouse/sarif-sdk,kschecht/sarif-sdk