This method is called once the template engine is initialized, providing the resolver with the
template engine configuration and its template class loader.
Processes template source files substituting variables and expressions into
placeholders in a template source text to produce the desired output using
a streaming approach.
Processes template source files substituting variables and expressions into
placeholders in a template source text to produce the desired output using a
closure based approach.
Renders the object provided as parameter using its Object.toString method,
The contents is rendered after being escaped for XML, enforcing valid XML output.