protected boolean isDataRangeStrict(IRI node) { return consumer.isDataRange(node) && !consumer.isClassExpression(node); }
protected boolean isDataRangeLax(IRI node) { return consumer.isDataRange(node); }
protected boolean isClassExpressionLax(IRI mainNode) { return consumer.isClassExpression(mainNode) || consumer.isParsedAllTriples() && !consumer.isDataRange(mainNode); }