}
      }
      typeVariableMethods = builder.buildKeepingLast();
    }

    private final TypeVariableImpl<?> typeVariableImpl;

    TypeVariableInvocationHandler(TypeVariableImpl<?> typeVariableImpl) {
      this.typeVariableImpl = typeVariableImpl;
    }

    @Override
    @CheckForNull
    public Object invoke(Object proxy, Method method, @CheckForNull @Nullable Object[] args)