public MustacheEngineBuilder addTemplateLocator(TemplateLocator locator) {
        checkArgumentNotNull(locator);
        checkNotBuilt();
        this.templateLocators.add(locator);
        return this;
    }
public MustacheEngineBuilder addTemplateLocator(TemplateLocator locator) {
        checkArgumentNotNull(locator);
        checkNotBuilt();
        this.templateLocators.add(locator);
        return this;
    }
public MustacheEngineBuilder addTemplateLocator ( TemplateLocator locator ) { checkArgumentNotNull ( locator ) ; checkNotBuilt ( ) ; this . templateLocators . add ( locator ) ; return this ; }
Adds a template locator.

@param locator
@return self
Adds a template locator .