public static <A extends Number & Comparable<?>> NumberExpression<Double> power(Expression<A> num, int exponent) {
        return Expressions.numberOperation(Double.class, Ops.MathOps.POWER, num, ConstantImpl.create(exponent));
    }
Create a {@code power(num, exponent)} expression

<p>Returns num raised to the power exponent</p>

@param num  numeric expression
@param exponent exponent
@return power(num, exponent)
querydsl-core/src/main/java/com/querydsl/core/types/dsl/MathExpressions.java