src/vs/workbench/contrib/notebook/common/services/notebookSimpleWorker.ts/MirrorCell/getValue
class MirrorCell:	getValue(): string {
		const fullRange = this.getFullModelRange();
		const eol = this.textBuffer.getEOL();
		if (eol === '\n') {
			return this.textBuffer.getValueInRange(fullRange, model.EndOfLinePreference.LF);
		} else {
			return this.textBuffer.getValueInRange(fullRange, model.EndOfLinePreference.CRLF);
		}
	}