docs: protected void appendDefaultConstructors(XtendTypeDeclaration source, JvmGenericType target) {
  		final GenerationContext context = getContext(target);
  		if (!context.hasConstructor()) {
  
  			// Special case: if a value was not set, we cannot create implicit constructors
  			// in order to have the issue message "The blank final field may not have been initialized".
  
  			final boolean notInitializedValueField = Iterables.any(source.getMembers(), it -> {
  				if (it instanceof XtendField) {
  					final XtendField op = (XtendField) it;
  					if (op.isFinal() && op.getInitialValue() == null) {
  						return true;
  					}
  				}
  				return false;
  			});
  
  			if (!notInitializedValueField) {
  				// Add the default constructors for the agent, if not already added
  				final JvmTypeReference reference = target.getExtendedClass();
  				if (reference != null) {
  					final JvmType type = reference.getType();
  					if (type instanceof JvmGenericType) {
  						copyVisibleJvmConstructors(
  								(JvmGenericType) type,
  								target, source, Sets.newTreeSet(),
  								JvmVisibility.PUBLIC);
  					}
  				}
  			}
  		}
  	}