src/vs/workbench/contrib/debug/common/replModel.ts/SimpleReplElement/toString
class SimpleReplElement:	toString(includeSource = false): string {
		let valueRespectCount = this.value;
		for (let i = 1; i < this.count; i++) {
			valueRespectCount += (valueRespectCount.endsWith('\n') ? '' : '\n') + this.value;
		}
		const sourceStr = (this.sourceData && includeSource) ? ` ${this.sourceData.source.name}` : '';
		return valueRespectCount + sourceStr;
	}