protected void configureUserAgent(final T builder, final String name) {
        final GrpcChannelProperties properties = getPropertiesFor(name);
        final String userAgent = properties.getUserAgent();
        if (userAgent != null) {
            builder.userAgent(userAgent);
        }
    }
Configures custom User-Agent for the channel.

@param builder The channel builder to configure.
@param name The name of the client to configure.
grpc-client-spring-boot-starter/src/main/java/net/devh/boot/grpc/client/channelfactory/AbstractChannelFactory.java