Avro.Schema.this C# (CSharp) 메소드

        public string this[string key]
        {
            get
            {
                string v;
                return (this.Props.TryGetValue(key, out v)) ? v : null;
            }
            set
            {
                if (this.Props.ContainsKey(key))
                    this.Props[key] = value;
                else
                    this.Props.Add(key, value);
            }
        }