src/vs/workbench/services/extensionManagement/browser/extensionBisect.ts/ExtensionBisectService/start
class ExtensionBisectService:	async start(extensions: ILocalExtension[]): Promise<void> {
		if (this._state) {
			throw new Error('invalid state');
		}
		const extensionIds = extensions.map(ext => ext.identifier.id);
		const newState = new BisectState(extensionIds, 0, extensionIds.length, 0);
		this._storageService.store(ExtensionBisectService._storageKey, JSON.stringify(newState), StorageScope.GLOBAL, StorageTarget.MACHINE);
		await this._storageService.flush();
	}