public void errWrongSupportsLogicalOperator(SupportsLogicalOperator node, String faultyOperator) {
addError(node, "@supports at rule does not support '" + faultyOperator + "' as a binary logical operator. You can use only 'and' and 'or'.");
}
public void wrongMemberInLessBody(ASTCssNode member, Body node) {
ASTCssNodeType parentType = node.getParent()==null? ASTCssNodeType.STYLE_SHEET : node.getParent().getType();
addError(member, "The element " + PrintUtils.toTypeName(member) + " is not allowed to be a " + PrintUtils.toTypeName(parentType) +" member.");
}