src/vs/workbench/contrib/output/common/outputChannelModel.ts/BufferredOutputChannel/loadModel
class BufferredOutputChannel:	loadModel(): Promise<ITextModel> {
		const { value, id } = this.bufferredContent.getDelta(this.lastReadId);
		if (this.model) {
			this.model.setValue(value);
		} else {
			this.model = this.createModel(value);
		}
		this.lastReadId = id;
		return Promise.resolve(this.model);
	}