public BooleanExpression notIn(T... right) {
        if (right.length == 1) {
            return ne(right[0]);
        } else {
            return Expressions.booleanOperation(Ops.NOT_IN, mixin, ConstantImpl.create(Arrays.asList(right)));
        }
    }
Create a {@code this not in right} expression

@param right rhs of the comparison
@return this not in right
querydsl-core/src/main/java/com/querydsl/core/types/dsl/SimpleExpression.java