private static final IExpressionDescription convExpr( final Facet facet, final boolean label, final Set<Diagnostic> errors) { if (facet != null) { Expression expr = facet.getExpr(); if (expr != null) { return label ? convertToLabel(expr, EGaml.getKeyOf(expr)) : convExpr(expr, errors); } String name = facet.getName(); // TODO Verify the use of "facet" if (name != null) { return convertToLabel(null, name); } } return null; }