Main: Revert "Use immutable types in signature help (#80322)"#80421
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Azure Pipelines / roslyn-CI (Windows_Debug_CoreClr Test_Windows_CoreClr_UsedAssemblies_Debug)
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Sep 23, 2025 in 24m 40s
Windows_Debug_CoreClr Test_Windows_CoreClr_UsedAssemblies_Debug succeeded
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