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The ResourceManager interface can be used to implement ownership for resources allocated to JIT'd code, e.g. memory and metadata registrations (frame info, language runtime metadata, etc.). Resources can be *deallocated*, meaning that they should be cleaned up (memory released, registrations deregistered, etc.), or they can be *detached*, meaning that cleanup should be performed automatically when the ResourceManager itself is destroyed. The intent is to allow JIT'd code to continue running after the llvm::orc::ExecutionSession that produced it is disconnected / destroyed.