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	};			};

	/// Maps statements to the environments of basic blocks that contain them.			/// Maps statements to the environments of basic blocks that contain them.
	class StmtToEnvMap {			class StmtToEnvMap {
	public:			public:
	virtual ~StmtToEnvMap() = default;			virtual ~StmtToEnvMap() = default;

	// hello			// hello
				// goodbye

	/// Returns the environment of the basic block that contains `S` or nullptr if			/// Returns the environment of the basic block that contains `S` or nullptr if
	/// there isn't one.			/// there isn't one.
	/// FIXME: Ensure that the result can't be null and return a const reference.			/// FIXME: Ensure that the result can't be null and return a const reference.
	virtual const Environment *getEnvironment(const Stmt &S) const = 0;			virtual const Environment *getEnvironment(const Stmt &S) const = 0;
	};			};

	/// Evaluates `S` and updates `Env` accordingly.			/// Evaluates `S` and updates `Env` accordingly.
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[clang][dataflow] Dummy patch 2AbandonedPublic