presto-main/src/main/java/io/prestosql/operator/scalar/ArrayNotEqualOperator.java/ArrayNotEqualOperator/notEqual
class ArrayNotEqualOperator:    @TypeParameter("E")
    @SqlType(StandardTypes.BOOLEAN)
    @SqlNullable
    public static Boolean notEqual(
            @OperatorDependency(operator = EQUAL, argumentTypes = {"E", "E"}) MethodHandle equalsFunction,
            @TypeParameter("E") Type type,
            @SqlType("array(E)") Block left,
            @SqlType("array(E)") Block right)
    {
        Boolean result = ArrayEqualOperator.equals(equalsFunction, type, left, right);
        if (result == null) {
            return null;
        }
        return !result;
    }