code: public static GraphQLType unwrapOne(GraphQLType type) {
          if (isNonNull(type)) {
              return ((GraphQLNonNull) type).getWrappedType();
          } else if (isList(type)) {
              return ((GraphQLList) type).getWrappedType();
          }
          return type;
      }
docs: Unwraps one layer of the type or just returns the type again if its not a wrapped type
  
  @param type the type to unwrapOne
  
  @return the unwrapped type or the same type again if its not wrapped