public override Ops opsWith(RatioOps x) { return this; }
public abstract Ops opsWith(RatioOps x);
public override Ops opsWith(RatioOps x) { return RATIO_OPS; }
public Ops opsWith(RatioOps x) { return RATIO_OPS; }
public Ops opsWith(RatioOps x) { return this; }