Type[] toArgs = toParameterizedType.getActualTypeArguments();
        checkArgument(
            fromArgs.length == toArgs.length,
            "%s not compatible with %s",
            fromParameterizedType,
            toParameterizedType);
        for (int i = 0; i < fromArgs.length; i++) {
          populateTypeMappings(mappings, fromArgs[i], toArgs[i]);
        }
      }

		}
	}

	// Make sure we have a "full" list of type arguments, some of which may
	// be nil (unknown). Make a copy so as to not clobber the incoming slice.
	if len(targs) < n {
		targs2 := make([]Type, n)
		copy(targs2, targs)
		targs = targs2
	}
	// len(targs) == n

	// Continue with the type arguments we have. Avoid matching generic
	// parameters that already have type arguments against function arguments:

		}
	}

	// Make sure we have a "full" list of type arguments, some of which may
	// be nil (unknown). Make a copy so as to not clobber the incoming slice.
	if len(targs) < n {
		targs2 := make([]Type, n)
		copy(targs2, targs)
		targs = targs2
	}
	// len(targs) == n

	// Continue with the type arguments we have. Avoid matching generic
	// parameters that already have type arguments against function arguments: