true <_traversalBuildConfigurations>$(BuildConfiguration) <_traversalBuildConfigurations Condition="'$(AdditionalBuildConfigurations)' != ''">$(_traversalBuildConfigurations);$(AdditionalBuildConfigurations) <_projectBuildConfigurations> Configuration=%(Identity);%(_projectBuildConfigurations.AdditionalProperties) <_projectWithConfiguration Include="@(_projectBuildConfigurations->'%(OriginalItemSpec)')" /> <_projectWithConfiguration Include="@(Project)" Condition="'@(_projectBestConfigurations)' != ''"> Configuration=%(_projectBestConfigurations.Identity);%(_projectWithConfiguration.AdditionalProperties) <_AllBuildConfigurations>$(BuildConfigurations) <_AllBuildConfigurations Condition="'$(BuildConfigurations)' == ''">$(_traversalBuildConfigurations) $(BuildConfiguration) Configuration=$(_projectReferenceConfiguration);%(ProjectReference.AdditionalProperties) false <_buildConfigurations Include="$(BuildConfigurations)" /> <_buildConfigurations Condition="'@(_buildConfigurations)' == ''" Include="$(_traversalBuildConfigurations)" />