Add I/O tracking to the static graph spec (#3860)
Add I/O tracking to the static graph spec (#3860)


sean-gilliam/msbuild,Microsoft/msbuild,chipitsine/msbuild,sean-gilliam/msbuild,Microsoft/msbuild,sean-gilliam/msbuild,mono/msbuild,rainersigwald/msbuild,chipitsine/msbuild,Microsoft/msbuild,mono/msbuild,chipitsine/msbuild,mono/msbuild,cdmihai/msbuild,jeffkl/msbuild,AndyGerlicher/msbuild,jeffkl/msbuild,Microsoft/msbuild,jeffkl/msbuild,AndyGerlicher/msbuild,rainersigwald/msbuild,chipitsine/msbuild,AndyGerlicher/msbuild,sean-gilliam/msbuild,rainersigwald/msbuild,cdmihai/msbuild,jeffkl/msbuild,cdmihai/msbuild,AndyGerlicher/msbuild,cdmihai/msbuild,rainersigwald/msbuild,mono/msbuild