private T cast(Number number) {
        return MathUtils.cast(number, getType());
    }
Create a {@code cast(this as byte)} expression

<p>Get the byte expression of this numeric expression</p>

@return this.byteValue()
@see java.lang.Number#byteValue()
querydsl-core/src/main/java/com/querydsl/core/types/dsl/NumberExpression.java