Bug 76363 NPE in AdvancedQuickAssistProcessor.getFullyCoveredNodes
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/AdvancedQuickAssistProcessor.java
return getInversedInfixBooleanExpression(ast,
					rewrite,
					infixExpression,
					InfixExpression.Operator.LESS_EQUALS);
			}
			if (operator == InfixExpression.Operator.LESS_EQUALS) {
				return getInversedInfixBooleanExpression(ast,
					rewrite,
					infixExpression,
					InfixExpression.Operator.GREATER);
			}
			if (operator == InfixExpression.Operator.GREATER_EQUALS) {
				return getInversedInfixBooleanExpression(ast, rewrite, infixExpression, InfixExpression.Operator.LESS);
			}
			if (operator == InfixExpression.Operator.EQUALS) {
				return getInversedInfixBooleanExpression(ast,
					rewrite,
					infixExpression,
					InfixExpression.Operator.NOT_EQUALS);
			}
			if (operator == InfixExpression.Operator.NOT_EQUALS) {
				return getInversedInfixBooleanExpression(ast, rewrite, infixExpression, InfixExpression.Operator.EQUALS);
			}
			if (operator == InfixExpression.Operator.CONDITIONAL_AND) {
				Operator newOperator = InfixExpression.Operator.CONDITIONAL_OR;
				return getInversedAndOrExpression(ast, rewrite, infixExpression, newOperator);
			}
			if (operator == InfixExpression.Operator.CONDITIONAL_OR) {
				Operator newOperator = InfixExpression.Operator.CONDITIONAL_AND;
				return getInversedAndOrExpression(ast, rewrite, infixExpression, newOperator);