@Deprecated
    static EndpointWeightTransition linear() {
        return (endpoint, currentStep, totalSteps) -> {
            return WeightTransition.linear().compute(endpoint, endpoint.weight(), currentStep, totalSteps);
        };
    }
Returns the {@link EndpointWeightTransition} which returns the gradually increased weight as the current
step increases.

@deprecated Use {@link WeightTransition#linear()} instead.
core/src/main/java/com/linecorp/armeria/client/endpoint/EndpointWeightTransition.java