src/vs/editor/common/model.ts/TextModelResolvedOptions/createChangeEvent
class TextModelResolvedOptions:	public createChangeEvent(newOpts: TextModelResolvedOptions): IModelOptionsChangedEvent {
		return {
			tabSize: this.tabSize !== newOpts.tabSize,
			indentSize: this.indentSize !== newOpts.indentSize,
			insertSpaces: this.insertSpaces !== newOpts.insertSpaces,
			trimAutoWhitespace: this.trimAutoWhitespace !== newOpts.trimAutoWhitespace,
		};
	}