true <_traversalBuildConfigurations>$(BuildConfiguration) <_traversalBuildConfigurations Condition="'$(AdditionalBuildConfigurations)' != ''">$(_traversalBuildConfigurations);$(AdditionalBuildConfigurations)

<_ProjectWithConfiguration Include="@(_projectBuildConfigurations->'%(OriginalItemSpec)')"> Configuration=%(Identity);%(_ProjectBestConfigurations.AdditionalProperties)

<_projectWithConfiguration Include="@(Project)" Condition="'@(_projectBestConfigurations)' != ''"> Configuration=%(_projectBestConfigurations.Identity);%(_projectWithConfiguration.AdditionalProperties) <_AllBuildConfigurations>$(BuildConfigurations) <_AllBuildConfigurations Condition="'$(BuildConfigurations)' == ''">$(_traversalBuildConfigurations)

Configuration=$(_projectReferenceConfiguration);%(ProjectReference.AdditionalProperties) <_buildConfigurations Include="$(BuildConfigurations)" /> <_buildConfigurations Condition="'@(_buildConfigurations)' == ''" Include="$(_traversalBuildConfigurations)" />