/tarball/src/sdk/artifacts/source-build/self/src/src/Cli/dotnet/Telemetry/Telemetry.cs(105,25): error CS1061: 'TelemetryClient' does not contain a definition for 'TelemetryConfiguration' and no accessible extension method 'TelemetryConfiguration' accepting a first argument of type 'TelemetryClient' could be found (are you missing a using directive or an assembly reference?) [/tarball/src/sdk/artifacts/source-build/self/src/src/Cli/dotnet/dotnet.csproj]
##[error]/tarball/src/sdk/artifacts/source-build/self/src/src/Cli/dotnet/Telemetry/Telemetry.cs(105,25): error CS1061: (NETCORE_ENGINEERING_TELEMETRY=Build) 'TelemetryClient' does not contain a definition for 'TelemetryConfiguration' and no accessible extension method 'TelemetryConfiguration' accepting a first argument of type 'TelemetryClient' could be found (are you missing a using directive or an assembly reference?)