Dictionary<string, Dictionary<string, string[]>[]>?

private static readonly Dictionary<string, Dictionary<string, DirectoryInfo[]>[]> OrderTypeToFulfillmentDict = new Dictionary<string, Dictionary<string, DirectoryInfo[]>>()
    {
        {"Type1", new []
                {
                    ProductsInfo.Type1FulfillmentNoSurfacesLocations,
                    ProductsInfo.Type2FulfillmentSurfacesLocations
                }
        }
    }

Dictionary<string, DirectoryInfo[]>.

"Cannot convert from System.Collections.Generic.Dictionary<string, System.IO.DirectoryInfo[]>[] to System.Collections.Generic.Dictionary<string, System.IO.DirectoryInfo[]>"

var dic = new Dictionary<string, Dictionary<int, int[]>[]>
        {
            {
                "key1",
                new[]
                {
                    new Dictionary<int, int[]>
                    {
                        {1, new[] {1, 2, 3, 4}}
                    }
                }}
        };

Dictionary<string, Dictionary<string, string[]>[]> complexDictionary = new Dictionary<string, Dictionary<string, string[]>[]>();

var complexDictionary = new Dictionary<string, Dictionary<string, string[]>[]>();

// array of dictionary
     Dictionary<int, string[]>[] matrix = new Dictionary<int, string[]>[4];

//Dictionary of string and dictionary array
 Dictionary<string, Dictionary<string, string[]>[]> dicOfArrays= new Dictionary<string, Dictionary<string, string[]>[]>();

private static readonly Dictionary<string, Dictionary<string, DirectoryInfo[]>>

OrderTypeToFulfillmentDict = new Dictionary<string, Dictionary<string, DirectoryInfo[]>>()
     {
         {"Type1", new []
            {
                ProductsInfo.Type1FulfillmentNoSurfacesLocations,
                ProductsInfo.Type2FulfillmentSurfacesLocations
            }
    }
}