src/vs/editor/common/core/textChange.ts/TextChangeCompressor/_acceptCurr
class TextChangeCompressor:	private _acceptCurr(currEdit: TextChange): void {
		this._result[this._resultLen++] = TextChangeCompressor._rebaseCurr(this._prevDeltaOffset, currEdit);
		this._currDeltaOffset += currEdit.newLength - currEdit.oldLength;
	}