public string MyMethod(string param1, Dictionary <string, string> param2, SpecialOjb param3)
{
int i = MyCommonCode.MyCommonMethod();
//I do whatever I like with i here
}
public string MyMethod(string param1, Dictionary <string, string> param2, SpecialOjb param3)
{
ProtectedMyMethodPart1(...);
// Do something with param3
ProtectedMyMethodPart2(...);
}