Since `AbstractHttpRequestExecutingMessageHandler` does a copy of the provided `uriVariableExpressions`, we lose a coupling propagating from the ctor. * Move `uriVariableExpressions` propagation from the ctor to the `getComponentsToRegister()`
Since `AbstractHttpRequestExecutingMessageHandler` does a copy of the provided `uriVariableExpressions`, we lose a coupling propagating from the ctor. * Move `uriVariableExpressions` propagation from the ctor to the `getComponentsToRegister()`