src/vs/editor/common/viewModel/viewModelLines.ts/ViewModelLinesFromProjectedModel/setTabSize
class ViewModelLinesFromProjectedModel:	public setTabSize(newTabSize: number): boolean {
		if (this.tabSize === newTabSize) {
			return false;
		}
		this.tabSize = newTabSize;

		this._constructLines(/*resetHiddenAreas*/false, null);

		return true;
	}