}
				this._goRefCounts[id]++;
				let typeFlag = 0;
				switch (typeof v) {
					case "object":
						if (v !== null) {
							typeFlag = 1;
						}
						break;
					case "string":
						typeFlag = 2;
						break;
					case "symbol":
						typeFlag = 3;
						break;
					case "function":
						typeFlag = 4;
						break;
				}