{"ast_node_type":"variable","tokens":[{"end":74,"kind":"keyword","start":0,"text":"let"}]}
        let cold_weight = llvm::LLVMValueAsMetadata(self.cx.const_u32(1));
        // The values 1 and 2000 are the same as the values used by the `llvm.expect` intrinsic.
        let hot_weight = llvm::LLVMValueAsMetadata(self.cx.const_u32(2000));