static bool IsCallToGetCallingAssembly (Instruction instruction)
		{
			var code = instruction.OpCode.Code;
			if (code != Code.Call && code != Code.Callvirt)
				return false;

			return IsGetCallingAssembly (instruction.GetMethod ());
		}
		private Severity? IsProblematicCall (Instruction call)
		{
			MethodReference method = call.GetMethod ();
			if (method != null) {
				Func<MethodReference, Instruction, Severity?> sev;
				if (problematicMethods.TryGetValue (method.Name, out sev))
					return sev (method, call);
			}
			return null;
		}