public abstract BindingSet match(InstructionHandle handle, ValueNumberFrame frame, BindingSet bindingSet) throws DataflowAnalysisException;
public abstract BindingSet match(InstructionHandle handle, ConstantPoolGen cpg, ValueNumberFrame before, ValueNumberFrame after, BindingSet bindingSet) throws DataflowAnalysisException;
	public abstract BindingSet match(InstructionHandle handle, ValueNumberFrame frame, BindingSet bindingSet)		throws DataflowAnalysisException;