[module myModule('http://www.eclipse.org/emf/2002/Ecore')/]

[template public myTemplate(myParam : ecore::EPackage)]
  [if (myParam.eClassifiers->size() = 0)]
    some static text.
  [elseif (myParam.eClassifiers->size() > 2)]
    some different static text.
  [/if]
[/template]