Yes, this syntax is still possible using the wrapper version of the components.
The specific part is that this template will be searched inside the index file and placing inside the component directly will not find it.
Some of the templates can be set directly inline if there are not very complex.
The MVC and the React wrappers are based on the same jQuery widgets and nearly all of the functionalities that were possible with the MVC version are possible with the React wrapper. The main differences will come from a feature that the platform specific.
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