<Target Name="ChangeAliasesOfStrongNameAssemblies" BeforeTargets="FindReferenceAssembliesForReferences;ResolveReferences">
<ItemGroup>
<ReferencePath Condition="'%(FileName)' == 'abc'">
<Aliases>def</Aliases>
</ReferencePath>
</ItemGroup>
</Target>
extern alias efg;
using efg::AssemblyNameSpace;
...