public BooleanExpression loeAll(SubQueryExpression<? extends T> right) {
        return loe(ExpressionUtils.all(right));
    }
Create a {@code this <= all right} expression

@param right rhs of the comparison
@return this &lt;= all right
querydsl-core/src/main/java/com/querydsl/core/types/dsl/ComparableExpression.java