public EurekaEndpointGroupBuilder selectionStrategy(EndpointSelectionStrategy selectionStrategy) {
        this.selectionStrategy = requireNonNull(selectionStrategy, "selectionStrategy");
        return this;
    }
Sets the {@link EndpointSelectionStrategy} of the {@link EurekaEndpointGroup}.
eureka/src/main/java/com/linecorp/armeria/client/eureka/EurekaEndpointGroupBuilder.java