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public class WebConfig implements WebMvcConfigurer {
    @Autowired
    private ApplicationContext applicationContext;

    @Bean
    public SpringResourceTemplateResolver templateResolver() {
        // SpringResourceTemplateResolver automatically integrates with Spring's own
        // resource resolution infrastructure, which is highly recommended.
        SpringResourceTemplateResolver templateResolver = new SpringResourceTemplateResolver();
        templateResolver.setApplicationContext(this.applicationContext);
        templateResolver.setPrefix("/resources/templates");
        templateResolver.setSuffix(".html");
        // HTML is the default value, added here for the sake of clarity.
        templateResolver.setTemplateMode(TemplateMode.HTML);
        // Template cache is true by default. Set to false if you want
        // templates to be automatically updated when modified.
        templateResolver.setCacheable(true);
        return templateResolver;
    }
}