var configurations = new[]
{
    new RedisConfiguration
    {
        AbortOnConnectFail = true,
        KeyPrefix = "MyPrefix__",
        Hosts = new[] { new RedisHost { Host = "localhost", Port = 6379 } },
        AllowAdmin = true,
        ConnectTimeout = 5000,
        Database = 0,
        PoolSize = 5,
        IsDefault = true
    },
    new RedisConfiguration
    {
        AbortOnConnectFail = true,
        KeyPrefix = "MyPrefix__",
        Hosts = new[] { new RedisHost { Host = "localhost", Port = 6389 } },
        AllowAdmin = true,
        ConnectTimeout = 5000,
        Database = 0,
        PoolSize = 2,
        Name = "Secndary Instance"
    }
};

services.AddRedisProviderMultiServers(configurations);

public class WeatherForecastController
{
    private readonly IRedisProviderMultiServers _redisProviderMultiServers;

    public WeatherForecastController(IRedisProviderMultiServers redisProviderMultiServers) =>
        _redisProviderMultiServers = redisProviderMultiServers;
}

await _redisProviderMultiServers.AddAsync(Guid.NewGuid().ToString(), "value");

await _redisProviderMultiServers.ReplaceAsync(Guid.NewGuid().ToString(), "value");

await _redisProviderMultiServers.AddDefaultClientAsync(Guid.NewGuid().ToString(), "value");

await _redisProviderMultiServers.ReplaceDefaultClientAsync(Guid.NewGuid().ToString(), "value");

await _redisProviderMultiServers.GetAsync<string>(guid.ToString());

await _redisProviderMultiServers.RemoveAsync(key);

await _redisProviderMultiServers.RemoveDefaultClientAsync(key);