UnityEditor.iOS.Xcode.PBX.PBXElementDict.this C# (CSharp) Method

        public PBXElement this[string key]
        {
            get
            {
                if (this.values.ContainsKey(key))
                {
                    return this.values[key];
                }
                return null;
            }
            set
            {
                this.values[key] = value;
            }
        }