src/vs/workbench/contrib/userDataSync/browser/userDataSyncMergesView.ts/AcceptChangesContribution/registerListeners
class AcceptChangesContribution:	private registerListeners(): void {
		this._register(this.editor.onDidChangeModel(() => this.update()));
		this._register(this.userDataSyncService.onDidChangeConflicts(() => this.update()));
		this._register(Event.filter(this.configurationService.onDidChangeConfiguration, e => e.affectsConfiguration('diffEditor.renderSideBySide'))(() => this.update()));
	}