public static ClientBuilder builder(SessionProtocol protocol, EndpointGroup endpointGroup,
                                        String path) {
        return builder(Scheme.of(SerializationFormat.NONE, requireNonNull(protocol, "protocol")),
                       endpointGroup, path);
    }
Returns a new {@link ClientBuilder} that builds the client that connects to the specified
{@link EndpointGroup} with the specified {@link SessionProtocol} and {@code path}.
core/src/main/java/com/linecorp/armeria/client/Clients.java