src/vs/workbench/contrib/output/common/outputChannelModel.ts/FileOutputChannelModel/doUpdateModel
class FileOutputChannelModel:	private doUpdateModel(model: ITextModel, edits: ISingleEditOperation[], content: VSBuffer): void {
		if (edits.length) {
			model.applyEdits(edits);
		}
		this.endOffset = this.endOffset + content.byteLength;
		this.modelUpdateInProgress = false;
	}