@Override
    public SELF selectionTimeoutMillis(long selectionTimeoutMillis) {
        checkArgument(selectionTimeoutMillis >= 0, "selectionTimeoutMillis: %s (expected: >= 0)",
                      selectionTimeoutMillis);
        if (selectionTimeoutMillis == 0) {
            selectionTimeoutMillis = Long.MAX_VALUE;
        }
        this.selectionTimeoutMillis = selectionTimeoutMillis;
        return self();
    }
Returns whether an empty {@link Endpoint} list should be allowed.
core/src/main/java/com/linecorp/armeria/client/endpoint/AbstractDynamicEndpointGroupBuilder.java